https://www.transfermarkt.com/-%F0%9D%9F%AD-%F0%9D%9F%B4%F0%9D%9F%B4%F0%9D%9F%B4-%F0%9D%9F%B4%F0%9D%9F%AE%F0%9D%9F%B5-%F0%9D%9F%AD%F0%9D%9F%AD%F0%9D%9F%AD%F0%9D%9F%B3-what-is-the-cancellation-policy-for-united-airlines-cancellation-/thread/forum/696/thread_id/13406/page/1#anchor_13849