Task: Dialogue Generation
Input (English): F: Good morning, sir. I'd like to ask you a few questions if I may. ,M: Well, I'm waiting to catch my flight. So I guess I can answer a few questions. ,F: Thank you, sir. First of all how often do you travel? ,M: I travel twice a month. ,F: Where are you flying to on this trip? ,M: I'm flying to Austin Texas.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: So this is your first time to go to Portland, right? (C) F: So you are going to Austin by train today, aren't you? (D) F: Why are you going to Austin this time?
Output (English): D