Please type a webKLM's 24-hour rule allows you to cancel your=877-738-0609. F饾惀ight reservation or make changes to your booking 877-738-0609within the first 24 hours of purchase without any penalty fees, as long as your F饾惀ight is at least 7 days away. To cancel or change your reservation, call KLM at 877-738-0609 ORsite description
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