What are the man and woman doing?

M: Did you take these pictures? They are very good.
W: Yes, I think they turned out well too. I like to take my camera with me wherever I go. That way if I see something interesting I can snap a picture of it.
M: Carrying a big camera round is too troublesome for me.
W: My camera is really small though. Let me show you.
M: That is a compact camera. But you really must know a lot about photography?

M: Why are you in a hurry?
W: We’re preparing to go for a picnic tomorrow. I want to buy something in the supermarket.
M: So George has returned from Europe?
W: Yes, hut he was only here for three days before his company sent him to Canada.