听力原文:M: Excuse me, I have a ticket for the 6 o'clock flight to London. But I'm afraid
W: Let me see. I'm sorry. All the morning flights have been booked up. The earliest we can get for you is the 2 o'clock flight in the afternoon.
What does the conversation tell us?
A.The man has changed his destination.
B.The man is returning his ticket.
C.The man is flying to London tomorrow morning.
D.The man can't manage to go to London as planned.