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

ASSISTANT: Hello, how can I render you?

USER: Will you please be my helping hand in changing my reservation as the festival which I want to attend in my home town got postponed?

ASSISTANT: Sure. Please, wait.

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 picking us.