You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve 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, may I know your good name?

USER: Daniel Wright is my name.

ASSISTANT: Thank you for waiting,I could not find any reservation with the given name.

USER: Ok, it's not an issue. Thank you for the information.

ASSISTANT: Thank you for choosing our agency.