You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Michelle Turner. 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: Ok, please wait I will revert you in a moment.

USER: Sure.

ASSISTANT:  Thanks for waiting. Sorry, no reservation was found on your  name.

USER: Okay, thanks for informing.

ASSISTANT:  Thank you for opting us.