https://**********bluebeam.com/bluebeam-community/discussion/1105/%F0%9D%9F%8F-%F0%9D%9F%9688-657-8380-does-delta-have-a-cancellation-policy/p1?new=1
https://**********bluebeam.com/bluebeam-community/discussion/1105/%F0%9D%9F%8F-%F0%9D%9F%9688-657-8380-does-delta-have-a-cancellation-policy/p1?new=1