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 morning, 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. Good-bye.
W: Good-bye.