You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Steven Miller.

ASSISTANT: How may I help you?

USER: There is a chaos in my city.I would like to cancel my reservation.

ASSISTANT: Sure Miller, wait a moment.

USER: Ok.

ASSISTANT: There is no reservation found for you.

USER: Ok, thank you for your information.

ASSISTANT: Thank you.