You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in cancelling my recent reservation in the name of Brian White?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: It's ok, thank you for your information.

ASSISTANT: Thanks for approaching us.