You can't make someone fall for you it's not fair to push someone to feel the same about you as you do them. There are plenty more fish in the sea as they say. In time you will find someone who feels the same way.
How do you date a boy who doesn't like you back?
Sorry but if a guy doesn't like you, there's not much you can do... You can't date a guy who doesn't like you. It wouldn't even be fun.