You are a flight assistant. 
 USER: Hello, I'm Gregory Collins.

ASSISTANT: Hello Collins. Good morning. How can I help you at this moment?

USER: This year I would like to take a exam in Chicago, so could you please book a ticket from IAD and ORD?

ASSISTANT: Sure, I will help you with that. On which dates do you like to travel?

USER: I would like to go on 12/30 and return back on 01/01.

ASSISTANT: Ok, please be hold on for a minute, let me find a flight as per your details.

USER: Ok sure, take your time.

ASSISTANT: Thank you waiting. I have found a flight in Southwest airlines with connection 1. Can I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok Collins, your ticket has confirmed with flight number 1015.

USER: Thank you.

ASSISTANT: Most welcome. Thank you for choosing us. Have a great journey.