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

ASSISTANT: Hello, how can I support you?

USER: Due to climate issue at my destination, I need to cancel my reservation. Can you please help me in cancelling?

ASSISTANT: Sure, I will help to cancel your reservation. Please wait for a moment, while I search for the reservation on your name.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no any reservation found on your name in our system data.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for visiting us, we hope see you again.