My boyfriend wants to kiss me but I've never kissed anyone before?

I''ve only been going out with my crush for a little while, he is the sweetest thing ever and he told my friend that he to kiss me on Friday. He is going away for 5 days to France on a school trip and Friday with be our last day untill he comes back. I really want to kiss him but, I've never kissed anyone before and I'm not sure how to do it. I feel kind of embaressed, I want to make it gentle but I have no idea, could you please give me some tips?