You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Lee.

ASSISTANT: Brandon, what kind of service you are looking for?

USER: I need a connecting flight for my journey to Atlanta for attending a small event over there. Can you please help me to book a flight ticket from Las Vegas?

ASSISTANT: Sure, I am here to help you. May I know on which dates you want to travel?

USER:  I am planning the trip on 04/13 and after that I will catch the return flight on 04/15.

ASSISTANT: May I know your nearest airport codes?

USER: I would like to take-off from LAS to reach my destination, that is ATL.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, I will wait for your reply.

ASSISTANT: UA airlines with flight 1001 is providing service on your route with a connecting flight. Should I book your ticket?

USER: That's fine, please reserve this flight ticket.

ASSISTANT: Lee, your ticket is confirmed. Have a safe and happy journey.

USER: Thank you for assisting me.

ASSISTANT: Thank you for approaching us.