What are the speakers talking about?

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.