https://www.devex.com/people/what-is-the-24-hour-rule-for-klm-klm-faqs-modify-2302592
https://www.devex.com/people/what-is-the-24-hour-rule-for-klm-klm-faqs-modify-2302592
https://www.devex.com/people/what-is-the-24-hour-rule-for-klm-klm-faqs-modify-2302592