David , what have you been up to lately ?
neutral
user
I went on a trip with my family last week .
neutral
assistant
Really ? Where did you go ?
surprise
user
We went to Europe .
neutral
assistant
What cities did you go to ?
neutral
user
London , Paris and a few other cities .
neutral
assistant
Did you go to Berlin ?
neutral
user
No , We didn't go there . I'd like to go there next time .
neutral
assistant
I think this summer is a good time to visit Berlin . It's a beautiful place and the people there are very nice .
happiness
user
That's what I've heard .
happiness
assistant
I went there last year . If you want , I can give you some information I have about the city .
happiness
user
Thanks .
happiness
assistant