What number did the man want to dial?

W: Hello. Good evening.
M: Hello, may I please speak to George Hatton?
W: To whom, did you say?
M: George Hatton.
W: I’m sorry but no one of that name lives here. What number are you calling?
M: 123-4567.
W: That’s our number all right but no Mr. Hatton lives here. This is the Smith residence.
M: Oh, I must have the wrong number. I’m terribly sorry.
W: That’s all right. I hope you find Mr. Hatton. Good-bye.
M: Good-bye and thank you.