When it comes to building a conversational chat assistant that could be used at a small or enterprise level, Dialogflow would most likely be one of the first options that would show up in your search list. But apart from its console that is provided to design and manage an Agent, how can we create a chat assistant that can be used within our built web applications, too?

https://smashingmagazine.com/2021/01/dialogflow-agent-react-application/