WhatsApp enquiry (assistant runs on Elgo — simulated here)

Hi! Do you offer piano for a Primary 4 student?
Yes — Piano, Violin and Drama across several schools. Fees are $45/session, term-billed. Ready to sign up?
Yes please
Great — here's your personalised sign-up link 🎹
/signup?token=eyJjb252ZXJzYXRpb25JZCI6IndhOmRlbW8iLCJzY2hvb2xJZCI6MSwiaXNzdWVkQXQiOjE3ODU0MDU2NjE4OTUsImV4cCI6MTc4NTQwOTI2MTg5NX0.oP2BilB2khAMrhvPc00oHgdPZkcJwbQKpyMmtdUvUTY&schoolId=1

The link carries a signed token tying this conversation to the sign-up form. No child details are read by the assistant.