Are you through with your meal ?
neutral
user
Yes , I am . Could I have the bill , please ?
neutral
assistant
Here is your bill . 150 yuan in all .
neutral
user
Do you accept check ?
neutral
assistant
No , I'm sorry we don't . We accept credit cards and cash .
sadness
user
Well , I'd like to pay by cash .
neutral
assistant
OK . ( A few minutes later ) Sorry to keep you waiting . Here is your change .
neutral
user
Thanks .
happiness
assistant