You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning.

USER: My name is Shirley Campbell.

ASSISTANT: Shirley, how can I be a help for you?

USER: Actually, my friend invited me to attend his bachelor's party in Caesar's Palace in Las Vegas LAS, could you please help me out?

ASSISTANT: Sure, would you please let me know on which dates are you planning to visit LAS?

USER: The party is on 03/28, so I would like to depart on 03/27 and return back on 03/29.

ASSISTANT: Ok Shirley, could you please tell me from where you would like to start your trip?

USER: I would like to start my trip from my Hometown which is Houston HOU.

ASSISTANT: Ok Shirley, please give me a minute so that I can search for a flight available from HOU to LAS.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: Spirit airlines is providing a service on the route from HOU to LAS on your requested dates, shall I continue with the booking?

USER: Please proceed with the booking.

ASSISTANT: Ok Shirley, I have confirmed your ticket with the flight 1027.

USER: Thank you for helping me out.

ASSISTANT: Thank you, hope you enjoy your trip.