https://knowt.com/note/0ecf6743-b7f2-4eb6-9ed2-0ea4217d0c4c/Does-American-Airlines-offer-fully-refun youmobs 2 months ago https://knowt.com/note/0ecf6743-b7f2-4eb6-9ed2-0ea4217d0c4c/Does-American-Airlines-offer-fully-refun