What draws people together is generally really organic and doesn't require a lot of you forcing anything. But yes practice fall down get up and learn from your own experience. Flirt with the barista at the coffee shop, make small talk with the checker at the grocery store. You will find what works for you. But pay attention to how these "practice girls" respond to you and pay attention to what you did to extract that reaction out of them.
Does she blush if you say something witty? If you are just talking to her in a crowded social setting does she actually reach out and touch you. Even just a light brush against your arm will usually indicate that she is opening a door for you to pursue her. Just don't be a stupid male and ignore all the subtle hints she is giving you because not many girls are going to just lean in and whisper into your ear that if you buy them dinner you might find their panties on your floor in the morning. They aren't generally that direct and usually a lot more subtle.