John grits his teeth. Yeah, security's heading his way, but security without warning's always more effective than giving the mark a head's up on approach. "Ms. Helfer, unless you're looking for security to head your way, shut the hell up and let the staff deal with this."
He likes Tricia. He sure as hell doesn't want her thrown out. But anyone who makes trouble goes, and if she can't back down, that's going to set sparks to tinder.
He's not so bothered about the fact that the guy's not given him an answer. He can get that from Steve later. Name from Bobby, and introduction route from Steve. Clean-up by one of the guys, if it's needed.