You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my reservation as my plan to meet my uncle is cancelled. Can you cancel my reservation?

ASSISTANT: May I know your name?

USER: My name is Virginia Thompson.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you.