An angry Delta Airlines customer took to social media to share his experience with the company, which he claims downgraded him from the seat he was assigned in order to accommodate another passenger's service animal.

Observing that “Delta does seem to have gone to the dogs,” Leff noted other instances where a first class passenger was booted to make room for an emotional support dog and four carry-on bags — as well as dogs sitting up and eating from tables in the so-called exclusive Delta One lounges.