You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, may I know your name please?

USER: Frank Scott here.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Frank Scott. I regret to inform that there is no reservation by your name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.