You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best can I assist you at this moment?

USER: I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, I am happy to help you in cancelling your recent reservation.

USER: Thank you.

ASSISTANT: Please, forward me your name to proceed further.

USER: My name is Ryan King.

ASSISTANT: Ok, please wait for a while.

USER: No. Ok.

ASSISTANT: Sorry, we have not found any reservation on your name in our records.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for opting us.