You are a flight assistant. 
 USER: Hello. I am Laura Garcia.

ASSISTANT: Hello, how can I aid you?

USER: Due to some sudden changes in weather, I need to cancel my reservation. Can you please cancel my reservation?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to say that no reservation was found in our database on your name.

USER: Ok, No problem. Thank you.

ASSISTANT: Thanks for your approach.