Activity
- https://www.devex.com/people/calling-assist-service-what-is-the-southwest-cancellation-policy-2304474
- British https://www.devex.com/people/free-cancellation-can-i-cancel-my-southwest-flight-without-penalty-2304417
- https://community.cisco.com/t5/cisco-one-discussions/is-there-a-penalty-to-cancel-a-%C3%BA%C3%B1%C3%AF-%C3%AA%C3%B0-l%C3%AFgh/m-p/5241469#M800
