You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Katherine King here, due to bad weather I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT:  Sorry to inform you that no reservation was found on your name in our data base.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.