What are they talking about?

21.
M: I am going to Australia during the school holidays. What are your plans?
W: I am going to Canada to spend some time with my parents.
   22.
M: We’d better call a taxi or we’ll be late for the meeting.
W: Why not ask Jerry to drive us there? He is free at home.
   23.
M: Could you lend me fifty dollars? I need to buy a new pair of shoes.
W: Oh, I’m sorry. I’ ve only got fifteen dollars on me.
   24.
M: Did you see the show on TV last night?
W: No, a friend came to see me, and we talked for a long time.
   25.
M: Let’ s go in here. I need a new chair for my computer desk.
W: OK. They’ ve got some nice chairs here in the shop.