May I invite you to dance with me ?
neutral
user
Sorry , I can't dance .
neutral
assistant
Never mind , I can teach you .
neutral
user
Is it difficult to learn ?
neutral
assistant
No , it is easy .
neutral
user
How should I do ?
neutral
assistant
You just follow me .
neutral
user
All right . By the way , do you often dance ?
happiness
assistant
Yup , because dance can relax myself .
happiness
user
It seems a good way .
happiness
assistant