Activity
- https://www.devex.com/people/can-i-cancel-my-united-airlines-flight-without-penatly-2269553
- https://community.hologram.io/t/quick-response-what-is-the-cancellation-policy-of-united/23931
- https://community.hologram.io/t/can-i-cancel-my-united-airlines-flight-without-penatly/23913
- https://community.hologram.io/t/what-is-the-cancellation-policy-of-united-guide-ask/23896
- https://community.hologram.io/t/proactive-cancel-what-is-southwest-airlines-cancellation-policy/24046
- https://community.hologram.io/t/what-is-the-southwest-cancellation-policy-southwest-cancellation-policy/24033
- https://www.devex.com/people/fee_about-cancel-usa-is-there-a-penalty-for-canceling-southwest-flight-2269924
