You are a flight assistant. 
 USER: Hello, I am Laura Roberts.

ASSISTANT:  Hello, How exactly I can serve you the best 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 gleeful to help you for cancellation. Please wait for moment.

USER: Ok.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for reaching us, Have a blissful day!.