Activity
- https://www.devex.com/people/plan-ahead-what-is-the-24-hour-rule-for-lufthansa-2249473
- https://support.xtool.com/community-support/detail/4322
- https://crm.ridemetro.org/forums/support-forum/c68ec149-e6c0-ef11-b542-001dd80082b2
- https://www.devex.com/people/is-expedia-really-free-cancellation-is-expedia-actually-fully-refundable-2249378
