You are a flight assistant. 
 USER: Hello, I am Nicole Parker.

ASSISTANT: Hello,. How may I assist you?

USER: Prepone plan came into a picture owing announcement of birth of bay boy.So I need to change an existing reservation. Can you please help me in that?

ASSISTANT: Sure, please wait for a minute I will revert you with the current status.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found with your name.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you for availing us.