What does the woman want to book?

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.