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

ASSISTANT: Hello, How can I assist you?

USER: I want to cancel my reservation due to sudden change in weather at my place. Can you please help me?

ASSISTANT: Sure, Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Thank you for informing me.

ASSISTANT: Thank you for opting us.