You are a flight assistant. 
 USER: Hello. I am Sharon Gonzalez.

ASSISTANT: Hello, how may I assist you for the day?

USER: Can you aid me in changing my reservation as I need to change my source point?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes.

USER: Ok.

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

USER: Its ok, thank you.

ASSISTANT: Thank you for approaching us.