Waiter ! May I see you for while ?
neutral
user
Yes . I'll be with you in a second . Yes , sir ? What is the problem ?
neutral
assistant
This is not what I asked for , I'm afraid .
neutral
user
What did you order ?
neutral
assistant
Roast beef .
neutral
user
There must be a mistake . Those are fried oysters . Would you like to keep it or change ?
neutral
assistant
Roast beef , of course . That's what I ordered .
neutral
user
Just a moment and I'll get your order right away . Sorry to cause the inconvenience .
sadness
assistant