Who is the caller?

A: Golden Hotel. May I help you?
B: Mr. John Thomas, Room 13, please.
A: Put you through. Oh, Mr. Thomas isn’t in at this moment.
B. Can I leave a message?
A: Certainly.
B: Have him call Max Green at six. It’s important.

A: Look! It’s getting late and we’d better be leaving together. Have you got a car, Mr. Smith?
B: No, thanks. There’s a bus.