You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I be of your help?

USER: I want to conduct a science festival at Arizona Science Centre, at Chicago, IL-ORD can you help me booking a flight ticket from Las Vegas, NV-LAS?

ASSISTANT: Sure, I am blissful to help you.

USER: Thank you.

ASSISTANT: How much is your budget for this trip?

USER: I can pay up to 500.

ASSISTANT: Could you please share me your trip dates?

USER: I will start on 12/12 and return on 12/14.

ASSISTANT: What do you prefer either connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Can I know your name for booking purpose?

USER: I am George Taylor.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for being patience, there is a direct flight found based on your given criteria. Shall I confirm it?

USER: No I need a break in between my journey.

ASSISTANT: Ok.

USER: Thank you for the information.

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