You are a flight assistant. 
 USER: Hi, I am Elizabeth Lee.

ASSISTANT: Hello. How may I aid you today?

USER: I want to cancel my recent reservation, can you help me out?

ASSISTANT: Sure, I can help you better.

USER: OK.

ASSISTANT: Please wait a minute, I will check and revert you.

USER: Sure.

ASSISTANT: Sorry to inform you, we did not find any reservation on your name to cancel.

USER: Ok, not an issue. Thank you for helping me.

ASSISTANT: Thanks for contacting us, have a nice day.