You are a flight assistant. 
 USER: Hi. I am Gregory Roberts.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel from Las Vegas to New York to explore global culture. Can you assist me in booking a  flight ticket under fare 500?

ASSISTANT: Sure, please share your planned trip dates.

USER: My planned trip dates are Sept 01 and Sept 03.

ASSISTANT: Let me know your airport codes.

USER: I am planning to take off from LAS to reach JFK.

ASSISTANT: We found a connecting flight and price is 200 of 1010 flight. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your ticket has been confirmed with UA airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.