WhatsApp Complaint Bot Setup

I need a developer who is already comfortable with the WhatsApp Cloud API to build, test, and deploy a small-footprint chatbot dedicated to automated complaint registration. The flow is straightforward: whenever a user sends a message that matches (or is prompted for) a complaint, the bot should gather the relevant details, hit our existing support-ticket API, and quietly confirm the ticket creation in the background. No sales, no FAQs, just this single automated response path.

What I’ll provide: the Facebook App credentials, webhook URL, and the endpoint documentation for our help-desk system.
What I expect back: clean, well-commented source code, a short README covering setup and environment variables, and a live, working bot running on my Meta account. Whether you prefer Node.js, Python (Flask/FastAPI), or another language is fine as long as the solution stays within Meta’s Cloud API best practices and is easy for me to redeploy.

Milestone acceptance: I send a test message, the bot requests the complaint details, a ticket appears in the support system, and I see the chatbot’s confirmation on WhatsApp.