Definition: In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.
Input: F: Good morning, Kali chemicals. How can I help you? ,M: Good morning. I'd like to speak to Mister Brown, please. ,F: I'm sorry, he is not in at the moment. Can I take a message? ,M: Ok, my name is Tom Morton, that's M-o-r-t-o-n. I'm phoning from Everbright Travel about Mister Brown's trip to Australia. He's booked flight number BA 1279 to Sydney on Monday.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: So your name is Kim. And you call me to let me confirm something. (C) F: So your name is Kim. And you call me to make an appointment. (D) F: So your name is Kim. And you call me to book a flight ticket.

A