Question 1 - 3 refer to following conversation:
W-Am: Excuse me, sir, but I think you're in my seat, 14-A?
M-Au: Let me take a look at my ticket... hmm, no, it seems I'm in the right place. My ticket says 14-A as well.
W-Am: Well... this is train car five. Are you sure you're in the right car?
M-Au: Oh, pardon me! I'm 14-A in car six. I've put my bags on the overhead rack, so just give me a moment to get my things together.
1. What are the speakers discussing?