Excuse me . I bought this shirt yesterday , but I would like to refund it .
neutral
user
Gave me the receipt , please .
neutral
assistant
Here is my receipt .
neutral
user
What's wrong with it ?
neutral
assistant
It's too small for me to wear .
neutral
user
Would you like another bigger one ?
neutral
assistant
No thanks . I want to have a refund .
neutral
user
OK , here is your money .
neutral
assistant