@woodhill not only was she cleaning for an eternity, but it was the same bit of the floor. Did the owner/manager say, 'shouldn't you be finished with that by now?' I didn't hear it if he said it.
That's why cleaners go in early - to get out of the way of customers and not clutter up the shop, especially a high end one like that. Well, in the real world anyway, or a world recreated by competent writers.