You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Garcia.

ASSISTANT: How may I aid 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, I will help you.

USER: Thank you.

ASSISTANT: Thanks for your time, but no reservation found on your name. Thank you.

USER: No issue. Thanks for your valuable information.