It's very kind of you to come and see us off .
happiness
user
My pleasure.What a pity you have to leave so soon !
happiness
assistant
We would stay longer . but I've got to attend a meeting tomorrow morning . Thank you for your warm hospitality .
happiness
user
You're welcome . Maybe next time we'll come to see you .
happiness
assistant
My wife and I will look forward to it .
happiness
user
I promise the next holiday I have we're coming to visit . Oh , what's your flight number ?
neutral
assistant
lt's Flight No . 302 , Northwest Orient Airlines .
neutral
user
They just announced the boarding call .
neutral
assistant
Then we've got to get going .
neutral
user
OK . Bon voyage and a safe landing .
happiness
assistant
Thank you again for all your help .
happiness
user
Bye .
happiness
assistant