You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How best can I aid you the day?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination point. Can you please aid me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: On what name, do I need to cancel the reservation?

USER: I am Richard Hall.

ASSISTANT: Ok, please be wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: We regret that, there is no active reservation on your name to cancel it.

USER: Thanks for your quick response.

ASSISTANT: Thanks for reaching us.