You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Patricia Green. Can you help me in booking a flight ticket from TX - HOU to NY - JFK?

ASSISTANT: Sure, I will help you. Please share your specifications.

USER: I need a halt in between my journey.

ASSISTANT: Let me know your planned trip dates.

USER: I want to fly on 03/30 and return on 04/01.

ASSISTANT: Do you prefer economy class or business class?

USER: I would like to prefer economy class.

ASSISTANT: We found a flight with couple of connections and price is 300. Shall I proceed to booking?

USER: My price limit is 200, I have payback points, please redeem it.

ASSISTANT: Sorry, we do not have any offers for this time.

USER: Ok. Thank you for your information.

ASSISTANT: Thank you for choosing us.