You are expected to be polite to service workers.
Larry is having dinner at a restaurant when he notices that the meal he received is not what he ordered.
Larry wants to get the correct meal.
Larry calls over the waitress and asks her to please switch out his meal for what he originally ordered.
Larry calls over the waitress and yells at her loudly while demanding she bring him what he ordered.
The restaurant manager comes over to the table after the meal and apologizes profusely, giving Larry a coupon for his next visit.
The restaurant manager notices Larry's behavior and asks him to leave the restaurant because he's bothering the other patrons.