You are a flight assistant. 
 USER: Hello. I am Gary Moore.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to cancel my reservation due to heavy rainfall at my place. Can you aid me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check the reservation on your name and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, we are sorry to inform you that there was no reservation found on your name in our database.

USER: Thank you for informing me.

ASSISTANT: Thank you for contacting us.