Just pronounce half of your name or remove the toughest letters like S ,R,M from starting letters and pronounce the rest of the name quickly .if the receiving person ask your name again, that time tell spell your name in letters. I just handshake with smile that's all dude.If 4 or 5 talk in group ,Just smile and act as if you are listening and says sounds good or yeah that's right ,okay ,I think so, I have to, no idea .once you are good friends with them, your flow will improve and your friends must have used to your stutterer and that time, they never care.