You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I be of your assistance?

USER: Can you please assist me in changing my reservation as the meeting which I have scheduled to attend got postponed due to heavy rains?

ASSISTANT: Sure, We are here to assist you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: I am Janet Jackson.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting. No reservation found on your name.

USER: It's ok, thank you for your information.

ASSISTANT: Thanks for picking us.