Originally Posted by Sly

I don't think it's illegal, unless he suggested that she would only be hired if she went on a date. I'm not even sure if that's "illegal" in a criminal sense, should be able to win a civil suit with that though.

I would speak with the guys boss. That makes the company look pretty bad and I doubt his boss would appreciate such behavior because if he is trying to pick up interviewees, he is probably harassing other girls around the office as well.