You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Due to Hurricane my business trip got postponed, so I would like to change my existing reservation.

ASSISTANT: Sure. Can I know your name?

USER: My name is Ronald White.

ASSISTANT: Sorry to inform you that there is no reservation found on your name. Thank you for reaching us.

USER: Thank you.