You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, how can I aid you today?

USER: I have to meet my best friend at Las Vegas. Please help me with booking the flight ticket with a connection.

ASSISTANT: Sure, we are here to help you. Kindly provide me your travel dates?

USER: My depart date is on 09/09 and return date is on 09/11.

ASSISTANT: OK, please mention your airport codes?

USER: My preferred airport codes are to NV- LAS from NY- JFK.

ASSISTANT: Sorry to inform , no flight found with your requirement.

USER: Ok, no issues thank you for your service.

ASSISTANT: Thanks for choosing us, have a good day.