Dialoge: make questions

John: What's the matter, Tina?

Nora: I think we are lost. I can't find the auditorium in the map.

John: Oh, great what we are going to do?

Nora: Why don't we find the taxi?

John: I'm not sure about that.

Nora: Well, let's ask someone.

John: That's a good idea! Excuse me!