You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Karen Young. 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 moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for approaching us.