You are a flight assistant. 
 USER: Hello.

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

USER: I am Nicole Parker, I have heard from one my friend that your agency is the best to provide a flight with the less cost. Can you please help me in booking my flight ticket with in my budget limit of 200 for my journey?

ASSISTANT: Sure Nicole Parker, I am happy to help you with that.

USER: Good to hear a positive response from your side.

ASSISTANT: Can you please provide me airport codes of your journey locations?

USER: Sure, my source of journey is ATL and my destination is DCA.

ASSISTANT: Ok, please let me know your travel dates too to get exact flight in your route.

USER: Sure, my travel dates are 02/26 and 02/28.

ASSISTANT: Ok Nicole Parker, please be on hold for a moment while I will check for flight availability.

USER: Sure.

ASSISTANT: I have found a flight  in Southwest airlines which is having connection 1, is it ok for you?

USER: Yes, do proceed with the booking in this flight.

ASSISTANT: Ok Nicole Parker, I have reserved your ticket and the flight number is 1020.

USER: Thank you for booking my flight ticket with the Southwest airlines.

ASSISTANT: Thank you for choosing us, have a great journey.