R：Intercontinental Airlines. May I help you?
C：Yes. I'd like a round-trip ticket from New York to Miami, leaving on Thursday, the12th and returning on Saturday, the 14th.
R：OK. Let me check if there are seats available on those days. ...We have flights leaving Chicago at 10:15 a.m., noon, and 3:00 p.m.
C：The 10:15 flight would be the best.
R：OK. And returning from Miami, there are flights at 7:00 a.m., 12:30p.m., and 5:30 p.m.
C：Well... I'd like to take the 12:30 flight. How much will the ticket come to?
R：$426.
C：$426?！
R：But if you return on Sunday, you can take advantage of our weekend discount fare of $333.
C：That's quite a difference. But unfortunately, I have to come back on Saturday. Could you book me on that flight?
R：OK. May I have your last name and first initial, please?
C：Yes. The last name is Chen-C-H-E-N. And the first initial is, T, as in Tiger.
R：All right,Mr. Chen. You've booked on Flight 102 to Miami,leaving Chicago at 10
15 a.m. on the 12th; and returning from Miami on Flight 209 at 12
C：Do you accept VISA?
R：Yes. What's your card number,please?
C：It's 1234-5678-9098-7654.
R：And the expiration date?
C：October 2001.