There's a dance next month at my school. I don't know what to do?

So anyways, there's a dance next month at my school and I'd really like to have a chick go with me, mainly because well there's a girl I asked 2 months ago that couldn't go, and I asked her out a couple weeks ago only to find out she liked me but I was on list. And I was number 4. So I basically told myself to forget about her, and how this relates to her is that I want to also show her that I don't need her. That I can get other people if I want to. Other then that I really want to go. So there's like these 2 girls that I might have potential to go with. Well the first is a chick in my foreign language class, we talk sometimes. Like you know, this one time I walked by her and she asked me if I remembered that time she accidentally messaged me on Facebook and whatnot. And last week my good friend was at youthgroup with her and somehow I came up and she told him that I was the funniest person she has ever met. I mean there are other things that kind of made her seem like she was interested, but I do not want to bore you. Anyways this other girl I've known since 7th grade. We talk some. I mean everyday just about I walk by her and I tease her somehow. She is always expecting it though. She's already looking. And last week she stole my phone and ran around with it trying to read my texts, then she fell, I caught her and she was accusing me of straddling her leg. She was talking to the other friend mentioned before, he said they talked about the dance and he said she said that she was probably going alone. But yeah, I know both of these girls don't sound interested really at all. But I just need to show the girl mentioned before hand that my life doesn't revolve around her. I really don't know what to do or where to even start. The dance is May 14th. Please help :c