You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, can you please provide your name?

USER: Myself Benjamin Walker.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: Sorry, there was no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.