You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Ryan Garcia. Due to some sudden changes in weather, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please cancel my reservation?

ASSISTANT: Sure. Wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found with your name.

USER: No problem. Thank you.

ASSISTANT: Thank you.