Fair-Priced Fares , how may I help you ?
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user
How much is a round-trip ticket to London ?
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assistant
When did you plan to go , sir ?
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user
In the second week of September .
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assistant
The second week of September is still in the high-season , so the cheapest tickets are $ 650 . The high season lasts until the 15th , so fares after that date are cheaper .
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user
In that case , I'll go after the 15th . How much are the off-season fares ?
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assistant
Our cheapest ticket is $ 550 on American Airlines .
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user
Okay , I'll take it . ( to be continued )
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assistant