You are a flight assistant. 
 USER: Hi. I am Mark Adams.

ASSISTANT: Hello, How can I respond to your request?

USER: I am looking for a cheapest flight possible with in price 200. Can you help me in finding?

ASSISTANT: May I know your journey dates?

USER: My depart is on 05/31 and return is on 06/02.

ASSISTANT: Can you please let me know your airport codes?

USER: I would like to board at JFK and land at DFW.

ASSISTANT: Do you need any way station in between journey?

USER: Yes.

ASSISTANT: Thanks for your details, there is a flight found with AA airline of flight number 1003 and fare is 100. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for reaching us.

ASSISTANT: Thanks for opting us, have a great journey.

USER: Thanks fr your support.