May I help you ?
neutral
user
I'm looking for a pair of shoes .
neutral
assistant
What size do you wear ? These shoes are on sale .
neutral
user
I wear size 36 . This pair looks nice . Can I try them on ?
neutral
assistant
Of course , yes . They look nice . And they're not expensive .
happiness
user
How much are they ?
neutral
assistant
They are $ 168 .
neutral
user
I'll take them .
happiness
assistant