https://developer-community.sage.com/topic/10929-aawhat-happens-if-you-cancel-a-non-refundable-flightrefundpolicy-/

https://developer-community.sage.com/topic/10929-aa%E2%84%A2what-happens-if-you-cancel-a-non-refundable-flightrefundpolicy%E2%84%A2-%E2%84%A2/