You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: May I know your good name to proceed further?

USER: I am Kathleen Brown.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: There is no reservation found on your name in our database to cancel it.

USER: No problem, thank you for the checking.

ASSISTANT: Thank you.