You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Laura Harris.

ASSISTANT: How may I help 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, I am here to help you.

USER: Thank you.

ASSISTANT: Sorry to inform you, there is no reservation found with your name in the chart list.

USER: That's Fine. Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.