You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to change my recent reservation, can you please check with that?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: Myself Justin Jackson.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation on your name to change.

USER: That's ok, thank you for searching the details.

ASSISTANT: Thank you for choosing us.