You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I have your name?

USER: I am Edward Parker.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name to change.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.