You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I need to cancel my reservation due to heavy rains in my travelling area. Can you please help me out with that?

ASSISTANT: Sure, I help you with that.

USER: Thank you for considering my request.

ASSISTANT: May I know your good name?

USER: Sure, my name is Andrew Green.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Oh! I think the ticket was not booked properly while I am booking. Anyway, thank you.

ASSISTANT: Thank you for visiting us.

USER: You are welcome.