Who answers the telephone?

M: Hello! Can I speak to Susan, please?
W: Speaking. Is that you, Tom?
M: Yes, it is. I am going to New Zealand in two weeks’ time, and my wife is going with me.
W: Oh, how lucky you are! How long are you going for?  .....
M: For a couple of months, maybe half a year. My boss wants me to help set up a branch company there. Well, Susan, you have been to New Zealand several times. Can you give us some suggestions or just tell us something about that country?
W: I’d love to. We can have a talk sometime.
M: Why not come over to dinner in my house this weekend. My wife wants to meet you as well.
W: All right. What about Saturday?
M: OK. See you at 6:00 p. m. , this coming Saturday. Goodbye!