Contoh dialog singkat expressing certainty and uncertainty

A:Hey, do you think our team will win the match tomorrow?
B: Of course. I have no doubt about it.
A: Are you sure? Why do you think like that? How do you so sure?
B: Our team is a good team. We have practiced a lot.
A: Don't you think our opponent is a good team too?
B: I am not sure about it. I don't know them too well.
A: Well, let's just try our best tomorrow.
B: Yes, I will.