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: What’s wrong with your new electric cooker? Let me see if I can fix it.
B: Oh, I had the shop replace it with a new one this morning.