Next time ask the waiter to send her an ice water and make sure he says it's from you. They almost always do it, and its instant win smile bait.
How gay. Do it the mens way, go over, tell her she's hot and that she can decide what she wanna do with ya on friday night. Then give her two really nice options. Like dancing salsa or what's that stuff called you do with special shoes on iced lakes lol.