Good coming , Sir .
neutral
user
Good morning .
neutral
assistant
Where would you like to go ?
neutral
user
To the airport please .
neutral
assistant
Here we are .
neutral
user
Thank you . How much is it ?
happiness
assistant
Nine pounds twenty .
neutral
user
Here's ten pounds . Keep the change .
neutral
assistant
Thank you . Sir
happiness
user
You're welcome , Goodbye !
happiness
assistant