"Sure, sounds fun"

"Ah, cool. My treat by the way, since I'm the one who proposed the idea. Wouldn't exactly be fair of me to suggest the place and then not pay, now would it?" You shrug, can't exactly argue with his reasoning. "Well then, I'm kind of stuck here for a bit, we close at the ninth hour, so there should still be time for our date after. Normally I'd do some organizing after closing, but I can always wake up early tomorrow to do that. In the meantime, if there's anything you need from me, be it where a book is or anything else, feel free to ask."