A: I have a date with Mary tomorrow.

B: Don't you have a date with Dorothy?

A: My date with Dorothy is at 12 p.m.

B: You have dates with both of them?

A: What's wrong with that?

B: Does Mary and Dorothy know about this?

A: No, should they?

B: I think they would be upset if they knew.

A: I'm just dating them. It's not serious.

B: Why don't you tell them that?