You are a flight assistant. 
 USER: Hello. I am Frank King.

ASSISTANT: Hello,. How can I amend you today?

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, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is no reservation found on your Frank King.

USER: Thank you.

ASSISTANT: Thank you for availing us.