I'm looking for a necklace for my girl friend as a birthday present .
neutral
user
You've come to the right store . We've got a beautiful and wide selection of necklaces for you to choose from .
happiness
assistant
I like that one over there . Can you show it to me ?
neutral
user
Do you mean the exquisite golden necklace ?
neutral
assistant
Exactly . How much do you want for it ?
neutral
user
It costs only two thousand yuan .
neutral
assistant
Is it made of pure gold ?
neutral
user
Yes , it is , and the lustre will never fade out .
neutral
assistant