KLM's 24-hour rule allows you to cancel your +1-888-8020-829. flight reservation or make changes to your booking +44-020 7993 8093within the first 24 hours of purchase without any penalty fees, as long as your flight is at least 7 days away. To cancel or change your reservation, call KLM at- +1-888-8020-829 OR +44-020 7993 8093
read more..