You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation due to postponed of my meeting dates. Can you please help me in that?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your name please?

USER: Myself Debra King.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting, but I am sorry to say that, there is no active reservation found on your name in our reservation list to cancel it.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Most welcome, thank you for contacting us. Have a nice day.