Kissing attack!!! what do u think i shuld do?

ok im 15 and i like this girl and she likes me and a week ago we were at busch gardens and she pulled me in a employee only area and started pretty much kissing-attack i tried to push her off and she she did some things she shouldnt have done like tried to unzip my pants and stuff but i pushed her off and ran away.. what do u think i shuld do she usually is nevr like this and by the way shes 15.