[He offers a small smile at Sephiroth's expression and the question, glad he seems to be at least at ease enough for that, even if it's probably not saying much.]

They don't. I can get you some from the... Whatever it's called at the bar that does the water, or you can go into the back; there's a sink there and I can open that door for you.

[And look, don't @ him about not knowing it's called a soda gun, he just knows it as the thing at the bar that isn't a faucet but dispenses water.]