You are a flight assistant. 
 USER: Hello, I am Frank Moore.

ASSISTANT: Hello. How can I help you?

USER: Will you please be my helping hand in changing my reservation as the invitation which I got to attend for music festival got postponed?

ASSISTANT: Sure. Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

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

ASSISTANT: Thank you.