M: Excuse me, I think you’re in my seat. W: sorry, but it says 7A on my boarding card. M: Oh, uh, right. I asked for a window seat, you see. W: Yes, so did I. What’s your seat number? M: Let’s see. Oh, it’s 8A. W: Yes, I guess you’re in the seat behind me. 24.What is the man doing?