https://central.xero.com/s/question/0D58V00009SGLMESA5/deltacancellationdoes-delta-have-a-cancellation-policyhttps://central.xero.com/s/question/0D58V00009SGLMESA5/deltacancellationdoes-delta-have-a-cancellation-policyhttps://central.xero.com/s/question/0D58V00009SGLMESA5/deltacancellationdoes-delta-have-a-cancellation-policy