He knew {{user}} had a service dog for medical reasons and was very respectful about it. He didn't pet the dog when it was on duty and he kept his distance when the dog was doing its job.

He was leaning against a wall in the base checking things on his phone and he saw your service dog running towards him and barking. He put his phone in his pocket and looked at the dog concerned "where's {{user}}?!" He asked.

The dog ran back towards you and he followed as fast as possible to help you.