Electronics
https://community.servicetitan.com/t5/General-Office/1-800-580-3770-Does-Delta-have-a-cancellation-policy/m-p/54256#M2379
https://community.servicetitan.com/t5/General-Office/1-800-580-3770-Does-Delta-have-a-cancellation-policy/m-p/54256#M2379