[音频] Dialogue 1 Passenger: Excuse me. Attendant: Sir, what can I do for you? Passenger: Where is the chief flight attendant or cabin manager? Attendant: I am, sir. Passenger: Great. Is it possible that I get a flight____ (升舱)? I am too big, I can’t breathe, and I need more generous legroom. Attendant: Wait a moment and I will let you know after checking it out. Passenger: All right. Attendant: Hi, sir. You are very lucky that the flight is ____ (超售) and we would like to give you ____ (免费升舱). Passenger: Thanks a lot.