You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Due to bad weather at my source, I want to cancel my recent reservation.

ASSISTANT: Sure, may I know your good name please?

USER: I am Richard Garcia.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.