Originally Posted by LuckyStrike
It could have been a service dog-in-training. Getting it used to airplanes.
Service dogs-in-training *definitely* have signs on them. That's when it's most important that people don't come up and pet them or feed them or whatever.
And I would think that if the dog were any sort of service dog, the GA would have told the OP to move, not asked--UA would be required to accommodate a handicapped person.