听力原文:W: Good morning. British Airways, what can I do for you? M: Good morning. I have a return ticket to Paris. It's open. I'd like to confirm my flight. W: What date do you want to travel? M: 23rd December. W: Well, there are two flights. Oriels 10 a.m: and the other is 2 p.m. Which one do you prefer? M: I prefer the latter. W: Ok. What class are you traveling? M: Economy, please. W: One seat? M: Yes. (13)