Hello, I am Mark Evans.
user
Hello, can you please tell me how can I assist you?
assistant
I need to cancel my recent reservation due to postpone of interview.
user
Ok, please wait for a minute.
assistant
Could you please help me in cancelling the reservation?
user
Ok. Sorry to inform you, no reservation found on your name in my database.
assistant
That's ok, thank you for your information.
user
Thank you for  reaching us.
assistant