Hello , Mr . Smith , Wang Peng speaks .
neutral
user
Hello ! Mr . Wang . this is Smith .
neutral
assistant
I'm calling to thank you for the wonderful dinner I had yesterday .
neutral
user
It's a pleasure .
neutral
assistant
I'll come back to China tonight . I hope to see you again sometime .
happiness
user
I hope so .
happiness
assistant
I appreciate all help of you during my stay here .
happiness
user
Don't mention it .
happiness
assistant
Please let me know when you go to China and let me be of some assistance to you .
happiness
user
Yes , I will . Have a nice flight back .
happiness
assistant
Thanks , good-bye !
neutral
user
Good-bye !
neutral
assistant