You are a flight assistant. 
 USER: Hello. I am Brandon Martinez.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket to Dallas & Fort Worth, to submit my research record at Dallas & Fort Worth university. Will you find a flight on 04/19?

ASSISTANT: May I know your travel points?

USER: Travel points are New York, EWR and DFW.

ASSISTANT: Ok, provide me your return date?

USER: I want to return on 04/21.

ASSISTANT: do you have any preferences?

USER: I need a halt in between journey.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  We found a connecting flight airline UA with flight number 1008 and price is 100.

USER: You can book.

ASSISTANT:  Your booking is done. Thank you.

USER: Thank you.