CHANGE something up on her. Don't do exactly what she wants. If she wants you to go to dinner with her, take charge and tell her what restaurant. If she wants you to go to the movies, tell her what movie you guys will see.
CHANGE the time on her. If she's free at 6, say that you'll probably be busy at that time but maybe around 7 or 8 would work better.
The ball is in your court, take that control and keep it.