You are a flight assistant. 
 USER: Hello, I am Virginia Brown.

ASSISTANT: Hello, how may I be of your service?

USER: My meeting a venue got changed to Orlando, can you please change my existing reservation?

ASSISTANT: Sure, wait for a moment.

USER: Ok.

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

USER: Ok, not an issue. Thank you for your quick response.

ASSISTANT: Thank you for availing us, have a blissful day.