You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Raymond Brown.

ASSISTANT: Raymond Brown. How can I help you?

USER: Can you help me with cancelling my ticket?

ASSISTANT: Sure, can you give me a moment?

USER: Sure, take your time.

ASSISTANT: Sorry to inform that, there is no reservation by the name Raymond Brown.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for approaching us.