You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you at this moment?

USER: I want to change my existing reservation, due to some issues my meeting place has been changed. Can you please guide me to make some modifications?

ASSISTANT: Sure, I am glad to help you out.

USER: Thank you.

ASSISTANT: To check the reservation list, we need your name.

USER: Sure, please check my reservation on the name of Steven Rodriguez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name to change.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for opting us.