You are a flight assistant. 
 USER: Hello, I am Karen White.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my reservation as my project got ramp down. Can you please cancel it?

ASSISTANT: Sure. Please wait for a while.

USER: Ok.

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

USER: That's Ok. Thanks for your response.

ASSISTANT: Thank you for choosing us.