You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my flight reservation as my brother met with an accident, can you please help me?

ASSISTANT: Sure, may I know your good name please?

USER: Kevin Jackson here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: No issues. Thanks for checking.

ASSISTANT: Thank you for reaching us.