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

ASSISTANT: Hello, how may I help you for the day?

USER: Due to bad weather, so I want to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry no reservation has been found with your name in our database.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank  you for opting us.