https://www.transfermarkt.com/-%F0%9D%9F%8F-%F0%9D%9F%96%F0%9D%9F%93%F0%9D%9F%93-%F0%9D%9F%93%F0%9D%9F%93%F0%9D%9F%8E-%F0%9D%9F%8E%F0%9D%9F%97%F0%9D%9F%8F%F0%9D%9F%97-what-is-american-airlines-policy-on-cancellations-/thread/forum/659/thread_id/4628/page/1#anchor_4757