https://supportcommunity.milestonesys.com/s/question/0D5bH00000ZEUbJSAX/cancellationinfowhat-is-uniteds-cancellation-policy-customersupportline?language=en_UShttps://supportcommunity.milestonesys.com/s/question/0D5bH00000ZEUbJSAX/cancellationinfowhat-is-uniteds-cancellation-policy-customersupportline?language=en_UShttps://supportcommunity.milestonesys.com/s/question/0D5bH00000ZEUbJSAX/cancellationinfowhat-is-uniteds-cancellation-policy-customersupportline?language=en_US