You are a flight assistant. 
 USER: Hello, I am Jeffrey Young.

ASSISTANT: Hello, how can I assist you today?

USER: Ca you please change my reservation as the stotytelling festival which I planned to attend got postponed/.

ASSISTANT: Sure. Please wait for a while.

USER: Ok.

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

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

ASSISTANT: Thank you for availing us.