Food is less expensive in a cafeteria , because you serve yourself .
neutral
user
How to do it ?
neutral
assistant
Just pick up a tray , then put a knife , a fork , a spoon and a paper napkin on it and stand in the line .
neutral
user
How long will it take to reach the buffet ?
neutral
assistant
Not long , because people rush for lunch .
neutral
user
The line sure does move fast .
neutral
assistant
Tell the man behind the counter what you want .
neutral
user
OK . I like that green vegetable but I don't know how to call it .
neutral
assistant
Just point to it if you don't know the name .
neutral
user
All right .
happiness
assistant