You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: As my birthday party has been relocated to Atlanta. So can you please change my reservation?

ASSISTANT: Sure, I will help you. May I know your name?

USER: Benjamin Smith is my name.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us, have a good day.