Hi , Mark ! Long time no see !
neutral
user
Hi , Alex !
neutral
assistant
Where have you been ?
neutral
user
I just got back from London .
neutral
assistant
How was your flight ?
neutral
user
It was OK . There was a lot of turbulence , though .
neutral
assistant
That ’ s too bad . How long was the flight ?
neutral
user
It was 10 hours .
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assistant
Did you have a layover ?
neutral
user
Yes , in Paris , France .
neutral
assistant
Did you buy anything in the duty-free stores ?
neutral
user
Yes . I bought two boxed of chocolate – one for me and one for you !
happiness
assistant
Oh , you didn ’ t have to ...
happiness
user
It was nothing .
happiness
assistant