How do you say lets have a conversation in french?

There are a few ways to say "let's have a conversation" in French, depending on the formality and context:

Formal:

* "On pourrait discuter." (We could discuss.)

* "Je vous propose de discuter." (I propose we discuss.)

* "Pourrions-nous avoir une conversation?" (Could we have a conversation?)

Informal:

* "On discute?" (Let's talk?)

* "On peut discuter." (We can talk.)

* "On se parle?" (Shall we talk?)

* "Ca te dit de discuter?" (Do you feel like talking?)

You can choose the appropriate expression based on the person you are talking to and the situation.