You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Ronald Young, I want to change my reservation as I need a new reservation with less fare of flight ticket. Can you help me with that?

ASSISTANT: Sure, Please provide me your name.

USER: My name is Ronald Young.

ASSISTANT: There is no reservation found with your name.

USER: Ok, thanks for the information.

ASSISTANT: Have a nice day.