Task: Dialogue Generation
Input (English): F: Can I help you? ,M: Yes, so when is the next train to New York City? ,F: Let me see, the train to New York City. Here it is, daily except Sunday, at 10:30, 12:20 and 3:10. ,M: Are there any trains before 10:30? ,F: Sorry, not before 10:30. ,M: Then went to New York at 10:30. ,F: One way or round trip? ,M: A one-way. ,F: A soft seat or hard one? ,M: How much is a solved? ,F: $15, and for a hard one, only $6. ,M: Then one heart seat, please.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Your hard seat has been reserved. You should pay $15 for that. (C) F: OK. You ask for two hard seats, so $12 in total. (D) F: A hard seat costs $8, sir.
Output (English): A