You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Would you help me in cancelling my recent reservation?

ASSISTANT: Sure. May I know your good name?

USER: Ok, myself Karen Baker.

ASSISTANT: Please, wait.

USER: Ok.

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

USER: Thank you for your information.

ASSISTANT: Thank you.