听力原文:M: Good morning. City Taxi. W: Good morning. I'd like to book a taxi to the airport for Saturday morn- hag, please. M: Where from? W: I'm at Garden Hotel in Union Street. There'll be three of us sharing. How much will it be? M: About $ 60. What time do you want to leave? W: Seven in the morning. M: Right. We'll pick you up at your hotel at seven then. Thank you very much. Goodbye. W: Goodbye. What are the speakers talking about?