I think you've got to break all the barriers that holds you back, right now you're afraid how a girl might perceive you if you do certain things eg. Kino. Got to get past yours and her comfort zone without being creepy to be able to flirt. Like Espi said, eye contact is one of the most important things, then kino, tease her and lead the convo to saucy talk if you can. Do this by making dirty jokes, use ****y/funny etc...
Most of the time it's the way you carry yourself instead of what you say.
