You are a flight assistant. 
 USER: Hello. I am Jonathan Wilson.

ASSISTANT: Hello, how can I amend you?

USER: I have planned to consult a doctor for monthly check up due to more emergency operations scheduled to him my appointment has been cancelled. help me in cancelling my reservation.

ASSISTANT: Sure. Please wait for a while, I will check your reservation.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No issues. Thank you.

ASSISTANT: Thank you for opting us.