Hello !
neutral
user
Hello , Is that Stefan ?
neutral
assistant
I'm sorry , but I'm afraid you've dialed the wrong number.There is no Stefan here .
sadness
user
Really ? Are you sure ? I called before and he was there .
surprise
assistant
Yes . I'm sure . You have the wrong number . I have used this number for more than 20 years .
neutral
user
That can't be true . I remember the number clearly . Is your number 1199886 ?
neutral
assistant
No , it isn't . It's 1199866 . It seems that you have misdialed .
neutral
user
Oh , I'm sorry I bothered you . I'm really sorry .
sadness
assistant
It doesn't matter . It happens to everyone .
neutral
user
Sorry again for bothering you .
sadness
assistant