Zatanna was still trying to adjust to this new world, and to the idea of a Biblical apocalypse. It wasn't that she hadn't considered such things in the past, it was just that she usually kept so busy between touring and trying to stop various super-villains that she didn't have time to dwell on the possibility.
Lawrence, Kansas, definitely wasn't a town she would have guessed as a main battleground for said apocalypse, either, but stranger things had happened. And she specialized in stranger things.
Part of what was strange about Dick asking her for coffee was she'd always been under the impression that she wasn't really his favorite person. Then again, she wasn't even sure if this was the same Dick Grayson she knew back home. She supposed she was about to find out. Smiling faintly at a waitress she passed, she made her way over to the booth he'd picked and sat down across from him.