You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please cancel my recent reservation, as I am unable to catch the flight because of floods at my location.

ASSISTANT: Ok, can you please tell me your name?

USER: Sure, I'm Elizabeth Parker.

ASSISTANT: Sorry, no reservation found.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Welcome.