https://www.transfermarkt.com/-%F0%9D%9F%AD-%F0%9D%9F%B4%F0%9D%9F%B1%F0%9D%9F%B1-%F0%9D%9F%B1%F0%9D%9F%B1%F0%9D%9F%AC-%F0%9D%9F%AC%F0%9D%9F%B3%F0%9D%9F%B0%F0%9D%9F%B0-what-is-the-cancelation-policy-for-american-airlines-/thread/forum/696/thread_id/39433/page/1#anchor_39680