Oh, christ. Tell him to leave that all behind. He doesn't need to be drunk nor does he need to be shooting anything (or anyone) on a vacation.
I'll pick up a handful of stuff when I'm out! I've got to get stuff for my trip too, so it's not like I'm going out of my way. But why the hell aren't you goes doing the portal trick over yonder, anyway? Cheaper and less of a risk of Booker getting arrested for something he forgot he did.