Demo scenario
Car service
Car Service: lift bookings and "your car is ready" messages
A Left Bank car service lost calls at peak hours. The WhatsApp bot asks about the symptom, quotes diagnostics, books a free lift and lets the customer know when the car is ready.
- Niche
- Car service, Kyiv
- Channel
- WhatsApp Business
- Launch
- 2 weeks
- Volume
- ~500 chats/month
17:24
CS
Car Service
This business uses a secure service from Meta to manage this chat. Tap to learn more.
Wednesday
Good morning. Something knocks at the front over bumps08:47
Good morning! Sounds like the suspension, but let's check 🔧 What car and year is it?08:47
Skoda Octavia 201608:47
Thanks! A suspension check takes 30 minutes and costs $11. If we do the repair, the check is free08:48
When can you drop by? Here are the free lift slots:08:48
Car ServiceWhen can you drop by?Today 4 PM08:48
Booked for today, 4 PM ✅
4 Kiltseva St. Mechanic Serhiy can already see your request08:49
4 Kiltseva St. Mechanic Serhiy can already see your request08:49
thanks, see you08:49
Thursday
Your car is ready ✅
We replaced the left stabiliser link and bushings
Labour: $22 · Parts: $33
Total: $55
You can pick it up until 7 PM17:20
We replaced the left stabiliser link and bushings
Labour: $22 · Parts: $33
Total: $55
You can pick it up until 7 PM17:20
great, on my way 👍17:20
DoneReported the car was ready and the total
Results
2 minfrom the symptom to a lift booking
$11diagnostics price in the first reply
3free lift slots to choose from
1"car ready" template with the total, no call
* Demo case: names, quotes and numbers are placeholders and will be replaced with real ones.
Challenge
Mechanics couldn't answer calls from under a car, and the admin couldn't keep up. Customers didn't know when to pick up and called several times.
- Missed calls at peak hours
- Lifts stood idle because of gaps in bookings
- Repair status only by phone
Solution
The AI assistant books in WhatsApp, sees lift load, sends the customer the total and status and reminds about servicing six months later.
- Diagnostics price at once, no call
- Slots come from the lifts' calendar
- "Car ready" message with the total
Architecture
How the bot is built
The customer writes in a messenger, the AI assistant understands the request and works with the business's services itself. No copying between tabs.
TriggerMessage
AI assistantRepair booking
ModelPrompt: diagnosticsPrice listMemory: car
Book a lift
Confirmation
TriggerWork order closed
Total the bill
Invoice
Template: car ready
In 6 months
Service reminder
Trigger: where the customer comes fromAI assistantThe agent's model, prompt, memory and knowledge← swipe the diagram →
Behind the scenes
What happens while the customer types
01
Sees lift load
The bot only offers slots where a lift is free and a mechanic with the right skills is on shift.
#1
#2
#3
9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM
Service · Kia
Brakes
Diagnostics
Suspension · Ford
Diagnostics · Octavia
Engine · VW
Service
Added by the AI assistant · just now
02
Works out the cost
After diagnostics the mechanic enters the work and parts, and the bot totals it from the price list.
| Item | Qty | Total | |
|---|---|---|---|
| 2 | Suspension check | 1 | $0 |
| 3 | Stabiliser link | 1 | $19 |
| 4 | Stabiliser bushings | 2 | $14 |
| 5 | Labour | 1.5 h | $22 |
New row by the AI assistant · just now
03
Sends the invoice
The customer gets a WhatsApp message and an emailed invoice for their records.
Repair invoice · Skoda Octavia
FromCar service
Toa.bondar@example.com
Stabiliser link, bushings: $33
Labour: $22
Total: $55
Pick-up until 7 PM
Stack
Tools and integrations
The bot's brain
AI assistant- Asks about symptoms
- Knows the price list
- Reports status
Agent parts
ModelPrompt: diagnosticsPrice listMemory: car
ChannelWhatsApp Cloud API
Dialogue, buttons, templates
Cloud API
ScheduleGoogle Calendar
Lift load
OAuth 2.0
DataGoogle Sheets
Prices and work orders
OAuth 2.0
EmailGmail
Customer invoices
OAuth 2.0
Honestly
Pros and limits
What the business got
- Booking in WhatsApp doesn't depend on a free phone line
- Slots come from the lifts' calendar, no clashes
- The customer gets "car ready" with the total, no call needed
- The service reminder six months later goes as an approved template
Limits worth knowing
- "Car ready" a day or more later, like the service reminder, goes as a paid WhatsApp template at Meta's rates
- The bot only gives an exact repair price after diagnostics
- Mechanics must enter work orders on time
Rollout
From brief to launch
Week 1
Prices, lifts, script
Week 2
WhatsApp templates, Gmail and launch
“The phone in the workshop has finally gone quiet. People write on WhatsApp and the bot sorts everything onto the lifts.”
Serhiy Hryshchenko
car service owner
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