A customer came through my line with (among other things) two bottles of water, roughly 1500 ml. Normally we ask if they want them bagged; some do, some don't (bags are 5 cents each).
Me: "Did you want your water in bottles?"
Customer: *cracks up*
Yeah, it was one of those days ....
Me: "Did you want your water in bottles?"
Customer: *cracks up*
Yeah, it was one of those days ....