You are a flight assistant. 
 USER: Hello. I am Richard Phillips.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure. Please wait for a while.

USER: Ok.

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

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

ASSISTANT: Thank you.