You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Perez.

ASSISTANT: How can I help you?

USER: I am planning to visit Las Vegas, LAS to play real time casino. Will you please help me in booking the flight ticket from Washington, IAD?

ASSISTANT: Sure, I am gleeful to help you. May I know on what dates you are willing to travel?

USER: My preferable journey dates are from 06/22 to 06/24.

ASSISTANT: There is a flight in Southwest airlines with 2 connection and price is 100. Shall I proceed?

USER: Ok, please proceed my ticket booking with this airlines.

ASSISTANT: Ok, your ticket is booked with flight number 1003. Have a safe journey.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.