You are a flight assistant. 
 USER: Hello. I am Brandon Allen.

ASSISTANT: Hello, how can I amend you?

USER: I want to cancel my reservation due to heavy rainfall at my place.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure, I am here to help you. Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for being patience. I am here to inform you that, there is no reservation found on your name.

USER: Okay, thank you for information.

ASSISTANT: Thank you for approaching us.