You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please cancel my reservation?

ASSISTANT: Sure, let me know your name please?

USER: Justin Jones here.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT:  Justin Jones. I regret to inform that there is no reservation by your name.

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

ASSISTANT: Thank you for reaching us.