Hello.
user
Hello. How may I aid you?
assistant
My Interview was pre-planned at the last minute, will you please help me to change it as soon as possible?
user
May I know your name?
assistant
My name is Nancy Allen.
user
We are sorry to inform you that, there is no reservation found with your name.
assistant
     That's ok, thank you for the response.
user
Thank you.
assistant