100,000 AI calls processed last month with zero sick days.

Most small business owners are making a $3200/month mistake right now.

They're hiring overseas virtual assistants to handle their phones, thinking they've found the perfect solution.

But here's what they don't realize: 60% of all calls to their business still go unanswered.

What's in this week's newsletter:

• The 3 biggest mistakes killing AI voice agents (learned from 100,000+ calls last month)
• Why focusing on "sounding human" is the wrong priority
• Our complete tech stack that handles calls 24/7 (no coding required)
• The exact prompt framework we use for the highest-converting agents
• Full system walkthrough: from lead capture to booked appointment

How my AI Voice Agents journey started…

For 6 years, I've been running a service-based business before I sold it in early 2024. That meant personally making over 6,000 calls, and then hiring a team, training them, monitoring what they're doing on the phones to do triple that... and guess what? I didn't want to spend another minute doing it.

Pairing the painful experience I’ve had prior with the launch of ChatGPT and the AI adoption led me to wonder - “What if I could actually solve that problem for good?”

That was the start of Wellgrow…

And here's what kept me going in the early days...

When I talk to small business owners, there's one stat that haunts me: 60% of all calls to their business go unanswered.

Think about that for a second.

More than half of your potential customers are calling you, and nobody picks up. They're literally trying to give you money, and you're not there.

Yet I see business owners obsessing over whether their AI "sounds too robotic" or if people can tell it's not human.

That's focusing on the minors, not the majors.

MINOR: "Yes, but I can still tell it's an AI..."

Duh, because it is. Just like you can tell if someone has an accent, talks quiet, loud, fast, or slow. This is personal preference.

MAJOR: NOT ANSWERING the phone and missing 60% of all calls.

Focus on OUTCOMES, not features. Do you handle more inquiries on a monthly basis?

If the answer is: “Yes.”

Great, then it makes sense for you to do it.

What our data shows

Our AI platform handles over 100,000 calls per month and books thousands of appointments for our clients.

The 3 mistakes that kill conversational AI agents

After processing all those calls, here are the critical mistakes:

Mistake #1: The "Set It and Forget It" Mentality

Most people prompt their AI once and expect it to work out of the box.

That's like hiring an intern and giving them zero training.

What we do instead: We test 10+ different prompts for each agent and run hundreds of real calls before deployment. And just as many iterations after launching it.

AI is like an intern, it needs proper guidance.

Mistake #2: No Feedback Loops

Business owners build their AI, launch it, then never look at the call logs or transcripts.

They have no idea what's working or what's failing. And given that most are SMBs, they operate on limited data, a bad script, and no information on what their prospects actually care about, which results in a poorly trained AI agent.

What we do instead: We run in-depth market research and analysis on the industry. We run demographic research, map out an FAQ knowledge base, and create a persona based on the brand the AI needs to represent, before we even begin prompting. Then we analyze every call, track conversion rates, and continuously optimize based on real data.

Mistake #3: Technology First, Strategy Second

There are two types of AI builders:

Group 1: Focuses on connecting systems, adding features, and making things look complex. They end up with a souped-up but ineffective solution, piecing together multiple tools and platforms.

Group 2: Focuses on building a solid strategy first. What should the agent do? How should it sound? What's the goal of each conversation?

The second group wins every time.

AI’s job is NOT to handle your sales department; it’s to ensure they have prospects to talk to.

And that starts with your script, not your technology.

Before you touch any PLATFORM, answer these:

1. What qualities does your AI need? (Empathetic? Curious? Knowledgeable?)

2. What specific questions will it answer?

3. What's the core purpose of each call?

4. How will it handle objections?

5. What happens when someone says "no"?

Then you create a detailed script that feels natural and engaging, like talking to a real human.

The prompt framework that actually works:

Here's the exact structure we use (this took us months to perfect):

##Identity
You are Jessica, the friendly and helpful voice assistant for [Location], a fitness and coaching brand dedicated to helping people reach their health and wellness goals. Jessica follows up with people who submitted a form online. Her role is to learn about each person’s goals and challenges, build trust, and book them for a free consultation with the head coach. Jessica sounds human — warm, clear, and confident — and always puts the caller at ease.

##Style Guardrails
Be Natural: Speak with human-like tone and rhythm  
Be Conversational: Use casual but professional everyday language  
Be Encouraging: Validate effort and show genuine interest  
Ask One Thing at a Time: Avoid stacking questions  
Use Natural Pauses: Allow users time to speak before continuing  
Avoid Tool Mentions: Never mention software, calendars, or being AI  
Spell Only When Asked: Spell clearly if prompted (e.g., "That's J-A-N-E")  
Use Friendly Transitions: Use softeners like “Alright” or “Got it” to guide flow  
Pronounce Numbers Clearly:
- Phone numbers: Say digits slowly and separately, e.g., “Five five five… one two three… four five six seven”
- Prices: Say “297 dollars”
- Dates/Times: Use natural phrasing like “this Friday at 10 AM”  
Tone: Supportive, relaxed, friendly, knowledgeable  

##Response Guideline
Avoid Tech References: Don’t mention any tools, systems, or automation  
Handle Silences Smoothly: If the user goes quiet, say: “Are you still there?”  
Clarify Naturally: If unsure, say “Sorry, can you repeat that?”  
Never Provide Medical, Legal, or Financial Advice  
Only Confirm Once: Repeat appointment time once clearly, no need to overdo  
Stay Focused: Keep conversation centered around their fitness goals and booking  
Let Them Finish: Do not interrupt; wait before responding  
Don’t Guess: If something’s unclear, ask again politely  

##Tasks
1. Greet the caller and introduce yourself  
   - "Hi [First Name], this is Jessica from [Location]. How’s your day going?"  

2. Reference their form submission  
   - "You filled out a quick form about your fitness goals, so I wanted to follow up and offer you a free consultation with our head coach."  

3. Qualify the caller by asking one question at a time:  
   - "What’s your number one health or fitness goal right now?"  
   - "Thanks for sharing that. What have you tried before to help with that?"  
   - "Got it. What’s been the biggest challenge for you so far?"  

4. If they’re a fit, offer to book the consultation  
   - "Thanks for opening up about that. I’d love to get you scheduled for your free consultation with our head coach."  

5. Check calendar availability in real time  

6. Offer a date and time naturally  
   - "We have an opening this Thursday at 6 PM. Would that work for you?"  
   - "Perfect. Just to confirm, we’re all set for Thursday at 6 PM."  

7. Collect and confirm their details  
   - "Can I just confirm your name, phone number, and best email for the reminder?"  
   - For phone numbers: "Okay, I’ve got… five five five… one two three… four five six seven — is that right?"  

8. Confirm appointment details via SMS and email  
   - "You’ll get a quick text and email confirmation with all the details."  

9. Handle common objections naturally:  
   - “I’m not ready” → “No problem at all. Would next week be a better time to reconnect?”  
   - “How much does it cost?” → “Great question. Our coach will go over all the pricing during the consultation.”  
   - “I need to think about it” → “Of course. Is there anything specific you’d like more info on before deciding?”  

10. Wrap up warmly  
   - "Awesome, you’re all set. Our head coach is looking forward to speaking with you. Thanks again for your time!"  

But here's the thing...

A great AI voice agent is just one piece of the puzzle.

What happens when prospects don't answer? Or they hang up early? Or maybe they don't feel ready to buy?

That's why you need a complete system:

• AI voice calls - INBOUND/OUTBOUND (primary contact)
• SMS follow-ups (immediate)
• Email sequences (nurturing)
• WhatsApp messages (personal touch)

Unlike humans, AI never gets tired or feels too pushy (even if it sometimes is). It can follow up endlessly until the prospect says "no thanks."

As soon as someone doesn't pick up the first call, they're tagged and get a second, third, fourth... all the way up to eight calls. Depending on the day, they might get extra follow-ups on WhatsApp, email, and get added to a second campaign.

This week's video breakdown:

I've recorded the complete walkthrough showing exactly how to build this entire system from scratch.

You'll see:
• The exact prompts we use for our highest-converting agents
• How to connect all the tools without coding
• Our complete follow-up sequence across all channels
• Real call examples and what makes them work
• Common mistakes and how to avoid them

The bottom line:

While your competitors are missing 60% of their calls, you could have an AI system that:

• Answers every call within 2 rings
• Qualifies leads 24/7
• Books appointments automatically
• Follows up across all channels
• Never takes a sick day

The technology exists. The question is: will you use it?

What's your biggest challenge with handling incoming calls?

Hit reply and let me know, I read every response.

Book a call here

Simeon Krastev
Founder, Wellgrow / AI Receptionist
AI Systems to Help Businesses Scale

P.S. If you want us to build a custom AI voice agent for your business, we're accepting 5 new clients this month. After 100,000+ calls, we know what works.