You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: James Hall here.

ASSISTANT: How may I guide you?

USER: I want to cancel my ticket due to heavy floods in my place.

ASSISTANT: Sure, I will help you. Please wait a moment. James, no reservation has been found on your name in our database.

USER: Sure. It's ok, thank you.

ASSISTANT: Thank you for approaching us.