You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: I'm Elizabeth Lee. I would like to cancel my recent reservation. Can you please help me in cancelling it?

ASSISTANT: OK, please wait for a while.

USER: OK.

ASSISTANT: Sorry Elizabeth, there is no reservation matching with your name to cancel further.

USER: OK, Thank you for your information.

ASSISTANT: Thank you.