A、Flight 1070 and 90. B、Flight 1017 and 19. C、Flight 1070 and 19. D、Flight 1017 and 90. A选项的内容表明，本题涉及两趟不同的航班。由对话中的That’s Flight

W: Freedom Travel. May I help you?
M: Yes, I’d like to make a flight reservation for 23rd of this month.
W: Okay. What is your destination?
M: Well, I’m flying to Helsinki, Finland.
W: Okay. Let me check what flights are available. And when will you be returning?
M: Uh, well, I’d like to catch a return flight on 29th. Oh, and I’d like the cheapest flight available.
W: Okay. Let me see. Um, hmm...
M: Yeah?
W: Well, the price for the flight is almost half the price you would pay if you leave the day before.
M: Whoo. Let’s go with the cheaper flight. By the way, how much is it?
W: It’s only $980.
M: Alright. Well, let’s go with that.
W: Okay. That’s Flight 1070 from Salt Lake City to New York, Kennedy Airport, transferring to Flight 90 from Kennedy to Helsinki.
M: And what are the departure and arrival times for each of those flights?
W: It leaves Salt Lake City at 10:00 a.m., arriving in New York at 4:35 p.m., then transferring to Flight 90 at 5:55 p.m., and arriving in Helsinki at 8:30 a.m. the next day.
M: Alright. And, uh, I’d like to request a vegetarian meal.
W: Sure, no problem. And could I have your name please?
Questions 13 to 15 are based on the conversation you have just heard.
13. What is the conversation mainly about?
14. What are the two flights the man will take?
15. When will the man start off from Salt Lake City?