You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Due to the heavy rains in my area, I would like to cancel my reservation. Can you help me with that?

ASSISTANT: Sure, can I know your name.

USER: My name is Ronald Nelson.

ASSISTANT: Sorry Nelson, there are no reservations found on your name.

USER: That's fine. Thank you for your information.

ASSISTANT: Welcome. Have a nice day.