You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Please change my existing reservation, because I want to move from one place to another place frequently.

ASSISTANT: Sure. May I know your name?

USER: Thank you. I am Mary Taylor.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: It's Ok.

ASSISTANT: There is no renovation found on your name.

USER: Ok, thanks for sharing the information.

ASSISTANT: Thank you.