You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Taylor.

ASSISTANT: How can I assist you today?

USER: As my budget is low, I am looking for a flight with ticket fare less than 200. Could you please help me with that?

ASSISTANT: Sure, I will help you with finding a flight as per request. Yes, there are flights with price 100 so please provide me exact airport codes of your locations.

USER: My nearest source airport code is IAD and destination airport code is DCA.

ASSISTANT: Ok, please let me know your travel dates also to find best flight for you.

USER: I would like to take off on 08/28 and return on 08/30.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. There is a flight in Spirit airlines with connection 1 and price 100, is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok Taylor, I have reserved a ticket with flight number 1017.

USER: Thank you for your service.

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