Say what you will about the rampant inefficiency and perpetual lateness, the wackiness of the staff make it worthwhile.
"We are extremely sold out today."
"Folks, please remember that your cell phone conversation pleases no one but yourself."
"If you need anything, please feel free to ask us. If you weren't here, we wouldn't be here. If you don't have anything to ask us, then I have no advice for you."