You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Helen Rodriguez, will you help me in booking the flight ticket from ORD to LAS?

ASSISTANT: Ok, please can I know the dates of your journey?

USER: My preferable journey dates are Jan 13 and Jan 15.

ASSISTANT: May I know your specification to check for a flight?

USER: Make sure that my depart time is evening with single connecting flight.

ASSISTANT: Ok, please wait a moment. Thank you for waiting. There is a flight ticket available at your location with 1 connection limit and the airlines is UA for a class economy. Can I book a flight 1006?

USER: Sure, you can proceed with the booking.

ASSISTANT: The ticket is booked for the airfare 100 and the departure time is 0:00AM and arrival time is 12:00PM.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our agency.