https://support.hammerhead.io/hc/en-us/community/posts/29724212385947--CancEllatiOn-Charge-%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-have-a-free-cancellation-policy-GeT-Full-REFUND