You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, may I know your good name?

USER: I am want to cancel my recent reservation due to postpone of my meeting. I am Nicole Moore.

ASSISTANT: Ok. Wait a while, I will get back to you.

USER: Sure.

ASSISTANT: Thank you for your valuable time. No reservation found with your name.

USER: Ok.

ASSISTANT: Thank you for choosing us, have a colourful day.

USER: Thank you for kind help.