Trust those two to immediately make things feel awkward. Ianto decides to ignore it. He's the one atthe center of all this, and if that means it's his job to keep everything running smoothly so be it. He's good at that sort of thing after all, even out of the butler suits.
"We're not selling tickets," He replies quickly as he accepts his drink because he's learned the hard way that sometimes Jack takes these suggestions too seriously. "Anyway I was under the impression I got to watch you two play pool tonight. Let's start there for a show, shall we?"