I'd like to return this radio .
neutral
user
Okay . Do you have your receipt ?
neutral
assistant
I lost it .
neutral
user
I am sorry , but you need a receipt for a refund .
sadness
assistant
But I purchased it yesterday .
neutral
user
Perhaps you would like to talk to customer service .
neutral
assistant
Well , that's a start , I guess .
neutral
user
They're right upstairs .
neutral
assistant
That sounds good . I'll take the escalator .
happiness
user
Good luck . I hope someone can help you .
happiness
assistant