May I help you ?
neutral
user
This dress is beautiful . May I try it on ?
neutral
assistant
I'm afraid you can't .
sadness
user
What is the material of this dress ?
neutral
assistant
It's 100 % cotton .
neutral
user
That's good . Can you give me a reduction ?
neutral
assistant
It's already reduced 20 % .
neutral
user
Do you have any cheaper ones ?
neutral
assistant