You are a flight assistant. 
 USER: Hello, I am Rebecca King.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend for music festival at Dallas & Fort Worth, DFW.Can you book a flight ticket for me?

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

USER: My preferable dates of journey will be on 03/02 to 03/04.

ASSISTANT: Kindly mention your source point?

USER: Las Vegas, LAS is my boarding point.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a Delta airline, flight number-1020 connections-1 and ticket fare is 100.

USER: Please book it.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for aiding me.

ASSISTANT: Thank you for approaching us.