Given the task definition and input, reply with output. In this task, you will be shown a conversation. You need to write a question with three choices for the conversation. Your question should be answerable based on the conversation and only have one correct answer. Note that you don't need to answer your question. "W" and "M" in the conversations stand for "woman" and "man".

M: CFC Taxis. W: Hello. I'd like to book a taxi, please. M: Certainly. For what time? W: Five o'clock tomorrow morning. M: Where from, madam? W: From Qilu Hotel. M: Oh, I see. Where do you want to go? W: To the railway station. How much will it cost? M: About 20 dollars. W: How long will it take to get there? M: If the traffic is not too busy, it will take about 15 minutes.
What does the woman want to book? (A) A room. (B) A taxi. (C) A ticket.