How to 'have fun' with this girl?

I'm in my final year of university and I've got no time for a relationship in all fairness, my course is very demanding right now. I met a girl for coffee a few weeks ago. It went quite well, but I didn't feel anything strong for her, and I don't think she did either. However, we agreed to meet up again for drinks some time. I don't think this girl wants a relationship, and I don't really want to either, but I think something's going on because I think meeting for drinks with someone you barely know suggests something! :p

Basically, I've always been either single or in a proper relationship where I've asked the person if they want to go out. I hear stories from people about how they kissed/made out with a girl they know sorta, almost like just having a bit of fun with no strings attached, and I want to try something like that before I leave. I don't mean anything sexual, I don't jump to that! In fact, just doing something like this is way outside my comfort zone already, but I decided I want to try anyway. Problem is, I have absolutely no idea how to move things with this girl in a way that doesn't imply I want a relationship, but isn't also just friendly meeting up. I've never done something like this before, so I'm not sure how to approach it! :confused:

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