You can generate an entire Dialogflow Messenger bot by using the flowchart to chatbot converter tool (free until it is in BETA).

Custom Payload Generator for Dialogflow Messenger Clickable Hyperlinks (Buttons) How to use this tool

This tool was free until end of March 2021, but it is now a paid tool. You can request a free trial if you would like to try it first.

"The custom payload generator was the magic key I needed (as a non-programmer) to build a good demo with rich responses in DialogFlow Messenger"

-Kathleen R, Cofounder of gathrHealth