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..