Just Can't Wait

Starting to work at a new job is always stressful; the unfamiliar people and environment, the million new things to be learned, the feeling of wanting to do a good job, and of course the inevitable goofs. We learn by making mistakes, then trying not to repeat them.
A friend of yours has just taken a job waiting tables at a restaurant. One day you decide to visit and see how the new jobs going but when you step inside you see your friend has gotten into some kind of trouble with one of the customers.

What did your friend do wrong? (Choose one item from the menu below)
 Didn’t come to the table even after being called.
 Made a mistake taking the order and brought the wrong food.
 Spilled something on the customer’s clothes.
 Started to clear the table before the customer had finished eating.

Source: Kokology - The Game of Self-Discovery