You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be of your service today?

USER: I want to make a round trip to Las Vegas, NV-LAS to attend robotic workshop, can you help me to book a flight ticket?

ASSISTANT: Sure, do you have any specifications?

USER: Ok, make sure that I need one connection.

ASSISTANT: May I know your price limit?

USER: I need the ticket with in the price limit 1000.

ASSISTANT: Please mention your travelling dates?

USER: My travelling dates are 04/09 to 04/11.

ASSISTANT: To proceed further can I know your good name please?

USER: I am Barbara Jones.

ASSISTANT: Thanks for giving your name, there is a connecting flight. Spirit airline, flight number 1011 with price of 100.

USER: Ok, you can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your service.

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