You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Daniel Jones, I want to cancel my recent reservation as my interview got postponed, help me in cancelling my reservation.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes, I will check the existing reservation to cancel it.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name in our database.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.