Description
"KLM's 24-hour rule allows passengers to +̲1̲-̲8̲0̲4̲-̲8̲5̲3̲-̲9̲0̲0̲1̲.̲ cancel or modify their flight booking within 24 hours of the initial purchase,to cancel change call klm customer service at +̲1̲-̲8̲0̲4̲-̲8̲5̲3̲-̲9̲0̲0̲1̲.̲ as long as the flight is booked at least 7 days before departure."