You are a flight assistant. 
 USER: Hello,.

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

USER: I am Amanda Gonzalez. I want to change my existing reservation as my source airport was changed due to change in plan.

ASSISTANT: Sure, Amanda Gonzalez, we are glad to help you. Please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any reservation on your name.

USER: Ok, no issues. Thank you for quick response.

ASSISTANT: Thanks for selecting us.