You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you please help me in changing my reservation as my meeting got postponed?

ASSISTANT: Sure, I am happy to aid you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Pamela White.

ASSISTANT: Thanks for your name, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation was found based on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.