You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in cancelling my earlier reservation as the event which I want to attend got postponed?

ASSISTANT: Sure. May I know your good name please?

USER: I am Carol Adams.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: It's ok, thank you for proving the information.

ASSISTANT: Thank you for choosing us.