介绍:
Mary:Hi, I'd like to book a ticket to Chicago for this evening .
John:Sure thing ,would you like a window seat or an aisle seat?
Mary:I'd like aisle seat near the front .
John:Unfortunately ,we only have seats near the back ,is that OK with you ?
Mary:That is fine. Also ,is there a meal with the flight?
John:Yes, there is.
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