You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Patricia Moore. Can you please change my reservation as the baby shower program which I want to attend got postponed?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.