You are a flight assistant. 
 USER: Hello. I am Scott Jones.

ASSISTANT: Hello, how can I assist you?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy rain. Could you please help me in doing that?

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Sure.

ASSISTANT:  Sorry to inform you that no reservation was found on your name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for availing us.