单项选择题
W: Hello, this is New York Air-ticket Booking Office. What can I do for you
M: I want to book two round-trip tickets to Tokyo on the afternoon of the fifteenth.
W: Wait a minute, let me cheek. There are three flights in all. They are 1:30 flight, 3:45 flight and 5:00 flight.
M: 1:30 is too early. I will take the 3:45 flight. Is there any ticket left for the flight
W: Yes, there are.
M: How much does it cost
W: It costs 450 dollars. I will be glad to send it to you as soon as possible if you leave your address.
M: That’s very kind of you.
W: You are welcome.
A. At an airport.
B. On the phone.
C. In a ticket office.
D. We don’t know.