https://www.devex.com/people/kl-what-is-the-24-hour-rule-for-klm-24-hour-policy-2464673
https://www.devex.com/people/kl-what-is-the-24-hour-rule-for-klm-24-hour-policy-2464673
https://www.devex.com/people/kl-what-is-the-24-hour-rule-for-klm-24-hour-policy-2464673