Whom does the man want to talk with?

M: Hello, is this Mr. Smith’s office?
W: Yes, it is. May I help you?
M: Yes, I’d0 like to speak to Dr. Smith, please.
W: Dr. Smith went home this afternoon. May I ask who is calling?
M: This is Jim White.
W: Oh yes, Mr. White. Dr. Smith asked me to give you his home phone number.
M: Just a moment, please. Yes, what’s the number?
W: His number is 7723-1059.
M: That’s right. Thank you very much.