They state on their site «Having a dog
friendly office is one of the ways we strive to maintain a
casual, creative, and inspiring
work environment.»
To demonstrate the significance of her initial «no, thanks» and his subsequent refusal to accept it from another perspective: if Betty and Jones were coworkers in the same office, if he continued to solicit her after being told no the first time, that would be the definition of sexual harassment on his part and it would not matter how genial or
friendly or
casual he thinks he's being; furthermore, if her workplace failed to intervene on her behalf, they would be engaging in sexually discriminatory behavior by creating a hostile
work environment, regardless of how genial /
friendly /
casual, etc..