Who’s the Strange Man?

"Excuse me, do I know you?" Amy asked the strange man. "What are you doing here Dion and how do you know Amy?" Luke hissed, looking serious and quite intimidating all of a sudden. "In fact, do not answer that. Leave," Luke added. "Chill dude, she's someone I know from school. I just came to say hi," the strange man, Dion answered. From where he sat across from her she noticed how his eyes were unfocused. She could tell he was tipsy. "We went to school together?" Amy asked, her interest peaked. "Yes we did. High school to be precise. But then again I won't expect 'daddy's little princess' to know me because she only spoke to that guy always. What's his name? Aha! David. It's quite a surprise you're not engaged to him but rather that uptight man up there," he looked at Reynolds who had mounted the stage. "What happened, was David not good enough for you?" "That's enough, Dion. We can do this the easy way or the difficult way. Go to your table now or I call the securities" Luke threatene