You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you today?

USER: I am Edward White and help me in cancelling my reservation.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no reservation found on your given name.

USER: No problem.

ASSISTANT: Thank you for availing us.

USER: Thank you for your information.