Would it bother you if we could talk later? (formal) Would it be possible to talk later? Would it be ok if we can talk later? Is it ok to talk later? Can we talk later? Do you want to talk later? Can you talk later? Let's talk later! Instead of talk you can say chat (informal) Hope this helps :-)

You should end this question with, do you? This is question tag and use for confieming the question.

You can use<Would you mind>

Can we talk later? Do you mind speaking again, another time?