https://developer-community.sage.com/topic/19266-united-airlinewhat-is-the-cancellation-policy-for-united-get-official-support/

https://developer-community.sage.com/topic/19266-%E3%80%90%E2%84%A2united-airline%E2%84%A2%E3%80%91what-is-the-cancellation-policy-for-united-%F0%9D%94%B8%F0%9D%95%9A%F0%9D%95%A3%F0%9D%95%9D%F0%9D%95%9A%F0%9D%95%9F%F0%9D%95%96%F0%9D%95%A4get-official-support/