The roles are quite simple. For men, it his job to lead and ensure his date have good time. He decides where is best to go, lead in conversation and make sure his date shines and looks and feels good.
For a women, her job is to follow and enjoy the experience. Don't complain and nag too much, just be thankful and grateful for all he is doing for her. Women can complain and nag after she gets to know him on a more serious level.