https://www.oscommerce.com/forums/topic/561900-refund~policy~flight%F0%9D%9F%8F-%F0%9D%9F%96%F0%9D%9F%96%F0%9D%9F%96-%F0%9D%9F%94%F0%9D%9F%93%F0%9D%9F%95-%F0%9D%9F%96%F0%9D%9F%91%F0%9D%9F%96%F0%9D%9F%8E-does-delta-have-a-cancellation-policy/...