You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I want to attend a Seminar in Las Vegas. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My travelling dates are Oct 29 and Oct 31.

ASSISTANT: May I know your airport codes of journey please?

USER: My airport codes are ORD and LAS.

ASSISTANT: May I know your connection limit preference for this trip?

USER: I need single connecting flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Matthew Hill.

ASSISTANT: American Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 12:00PM and arrives at 12:00PM, shall I book your ticket in this flight?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Matthew Hill, your ticket is booked in flight number 1020.

USER: Thanks for helping me.

ASSISTANT: You are welcome and have a safe journey.