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— Hello. Sky Travel Agency. May I help you?—A、Yes, I'd like to make reservations to
— Hello. Sky Travel Agency. May I help you?
—
A、Yes, I'd like to make reservations to Beijing on the flight ZH8147 at 6:00 pm on December 19th.
B、Yes, I prefer economy class.
C、Yes, what's your line of business?
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