Please forgive me for rushing into your room forgetting to knock at the door .
sadness
user
Never mind .
neutral
assistant
I'm so sorry to disturb you so early .
sadness
user
It doesn't matter .
neutral
assistant
I'm dreadfully sorry . I forgot to book the tickets yesterday .
happiness
user
Oh , it's nothing .
neutral
assistant
I let you down . I'll make it up to you somehow .
sadness
user
Not a bit of it , don't blame yourself .
neutral
assistant