You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to attend a live concert in Las Vegas, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, can you please share your journey dates?

USER: Sure, I am planning to start on Apr 21st and my return date will be on Apr 23rd.

ASSISTANT: Kindly mention your airport codes?

USER: My boarding and landing airport codes are LAX and LAS.

ASSISTANT: Are you looking for any preferred connections?

USER: I have already mentioned above.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: Can I have your name to proceed further?

USER: I am Barbara Carter.

ASSISTANT: We found a American airlines, flight number-1013 connections-1 class-economy and fare is 100. Shall I proceed with the booking?

USER: Yes, you can book the ticket.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.