The less interest you show in her, the better. Being aloof is a signal to women that you are in demand. Instinctively, they will throw themselves at you. Little league trophies also work well here. Bring a baby or a puppy.
Chicks dig 'em.
They really do. Show up with one of these and in no time they will swarm. While they adoringly play with the baby or puppy, spend your time making conversation. It's been my experience that puppies work better. They are a bit easier to come by, and people seem to care a lot less when you drop a puppy.