I don't get talking

sooo I live in a small town and don't date much, but recently a friend had me add a friend of hers on snapchat, but I don't know what to even say?? the guy has expressed that he thinks I'm cute and shiz, which I replied in kind, but I've only ever dated seriously once or twice and really am not looking for a fwb. I've heard (and he's told me) he's not interested in that either, but I still don't know how to even make conversation. help?