https://www.transfermarkt.com/-refund-24-7hour-rule-%F0%9D%9F%B4%F0%9D%9F%B2%F0%9D%9F%B2-%F0%9D%9F%B4%F0%9D%9F%AF%F0%9D%9F%B4-%F0%9D%9F%B0%F0%9D%9F%B5%F0%9D%9F%AF%F0%9D%9F%B0-does-lufthansa-offer-free-cancellation-/thread/forum/696/thread_id/17243/page/1#anchor_17670
read more..