To speak with a real person at KLM Airlines customer support, dial their 24/7 hotline at KLM Airlines(͎(͎1̼-̼8̼8̼8̼-̼-̼5̼3̼9̼-̼-̼-̼8̼1̼1̼9̼)͎)͎ or 1-800-KLM Airlines. You can also use the live chat on their website or send an email. Connecting with a live agent simplifies resolving your issues, including booking concerns, travel adjustments, or specific inquiries. https://www.tripadvisor.com/ShowTopic-g1-i10702-k15040917-Cancel_Your_Flight_with_KLM_Airline_Policy_Refunds-Air_Travel.html