dialogue: M: Good morning. Will you book a plane ticket to London forme? W: Yes, sir. What time would you like to leave? M: Next Tuesday, if possible. W: That'll be the 21st of December. M: Yes, that's right. W: There are several flights available. M: Would you check what flights are available on the 21st of December? W: All right. Let me check it over. M: Morning flights will be perfect. W: Yes, sir. There is a flight available on that day, at 10:00 a.m. M: Fine. I'll take that flight, then. W: 10:00 a.m. I'll fix your ticket. M: When do I check in? W: You must be there by 9:00 a.m. M: Thank you.
question: What does the conversation talk about?
choice: Booking a theatre ticket. Reserving a room. Booking an air ticket.
answer: Booking an air ticket.