You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation due to sudden rainfall at my source. Can you please help me with this?

ASSISTANT: Sure, may I know your good name please?

USER: Sure, my name is Deborah Williams.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

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

ASSISTANT: You are welcome.