First date at the movies !!?

Ok im in ireland so things are differnt here lol..im going on a date with a girl i rarely know..wer going to the movies...im 15 by the way, i know im meant to kiss here cause she said she wont be ale to watch the film if i take her :L..so how do i kiss her without being wierd :L and what will i talk about with her :L i get nervous very fast !! please help..thnks