Chapter 1 Unit3 Fill in the blanks according to what you hear. Dialogue2 C: Good morning.          (1)        ? P: Good morning, Miss. I have bought a ticket on flight CA750, flying to New York at 8:05 p.m. tomorrow. But    (2)       , I have something        (3)             and I have to stay here for a few more days. Could you please help me to         (4)            for December 25 th and         (5)            for CA730? C: I’m sorry. We can’t change any words written on the ticket. According to      (6)              , when a passenger wants to change his flight, date, route or his name to another’s, his ticket will be         (7)           . P: Oh, I see. Do I have to pay        (8)            ? C: Yes, you have to pay RMB500 for it. P: Why should I pay so much? C: According to CAAC’s regulation, if a     (9)         asks for a refund of his ticket 24 hours before the (10)            , the cancellation fee is 10% of the         (11)           . P: What about within 24 hours? C: If the passenger asks for a refund of his ticket within 24 hours and 2 hours before the departure time, he has to pay   (12)       of the original fare. P: Thanks for your information. Here is my ticket and the money for the refund. C:    (13)                            .