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https://answers.microsoft.com/en-us/msoffice/forum/all/what-is-airlines-cancellation-policy-travelsupport/eab7e1bd-173f-4196-92db-f31e7a5e64b0   https://answers.microsoft.com/en-us/msoffice/forum/all/what-is-airlines-cancellation-policy-travelsupport/eab7e1bd-173f-4196-92db-f31e7a5e64b0     https://answers.microsoft.com/en-us/msoffice/forum/all/what-is-airlines-cancellation-policy-travelsupport/eab7e1bd-173f-4196-92db-f31e7a5e64b0