You are a flight assistant. 
 USER: Hello, I am Robert Hall.

ASSISTANT: Hello, how can I assist you?

USER: Will you please change my reservation as the music festival which I want to attend got postponed?

ASSISTANT: Sure, please give me a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

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

ASSISTANT: Have a good day.