You are a flight assistant. 
 USER: Hello, I am Emma Perez.

ASSISTANT: Hello Emma Perez, how can I assist you?

USER: I want to cancel my recent reservation as my holiday trip is postponed.

ASSISTANT: May I know your name please?

USER: I already mentioned above please check once.

ASSISTANT: OK. Please wait for a while let me check and revert you.

USER: Sure.

ASSISTANT: Thanks for your waiting, There is no reservation found on your name.

USER: Thanks for your information.

ASSISTANT: Thank you.