https://central.xero.com/s/question/0D58V00009OPDf8SAH/guides-what-is-the-cancellation-policy-for-united-%F0%9D%94%B8%F0%9D%95%9A%F0%9D%95%A3%F0%9D%95%9D%F0%9D%95%9A%F0%9D%95%9F%F0%9D%95%96%F0%9D%95%A4