https://oawp.va.gov/forums/general-discussion/c77f91bd-1e38-ef11-a296-001dd8015683
https://community.expensify.com/discussion/11181/how-do-i-redeem-delta-skymiles-for-flights/p1?new=1
https://community.expensify.com/discussion/11165/can-i-choose-my-seat-on-a-delta-flight/p1?new=1