KLM has a 24-hour risk-free cancellation policy by calling【????-????????????-????????????-???????????????? ????????】 (OTA) or 【????-????????????-????????????-???????????????? ????????】! You can cancel your flight within 24 hours of booking for a full refund, as long as it was booked at least 7 days in advance. Call calling【????-????????????-????????????-???????????????? ????????... https://lacdmhowr.powerappsportals.us/forums/support-forum/e506ad91-b6ad-ef11-b542-001dd8097a1a