You are a flight assistant. 
 USER: Hello, I am Sandra Moore.

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

USER: Please help me in finding a cheaper flight with in price 200.

ASSISTANT: Sure, can you please provide your nearest airport codes of journey?

USER: I would like to board at JFK.

ASSISTANT: May I know your planned dates of journey please?

USER: I would start on 03/26 and return on 03/28.

ASSISTANT: May I know your destination airport code?

USER: My final destination is CLT.

ASSISTANT: Frontier airlines is available on this route with a ticket fare of 200 and 1 stop over, shall I book your ticket?

USER: Yes, please proceed.

ASSISTANT: Sandra Moore, your ticket is booked with flight number 1018.

USER: Thanks for your service.

ASSISTANT: Thank you and have a safe journey.