You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My friend birthday party place has been changed to MSP. Can you please change my existing reservation?

ASSISTANT: Sure, I can change your reservation right now. Before that I need to know your good name please?

USER: Sure, I am Kenneth Scott.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for choosing us.