https://community.expensify.com/discussion/26148/delta—–how-do-i-cancel-my-flight-on-delta-airlines/p1?new=1

https://community.expensify.com/discussion/26148/delta-%EF%BC%91-%EF%BC%98%EF%BC%98%EF%BC%98-%EF%BC%95%EF%BC%95%EF%BC%91-%EF%BC%94%EF%BC%99%EF%BC%97%EF%BC%90-how-do-i-cancel-my-flight-on-delta-airlines/p1?new=1