You are a flight assistant. 
 USER: Hi.

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

USER: I would like to visit New York to meet my brother, can you please help me to book a flight ticket from DFW to JFK?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are Apr 15 and Apr 17.

ASSISTANT: May I know your name for further process?

USER: My name is Jason Brown.

ASSISTANT: Do you have any connection limit for this trip?

USER: I need a single connection flight.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, I will wait for your response.

ASSISTANT: AA flight available with connection limit is 0 and fare is 100, shall I confirm this economy class flight?

USER: Ok, please confirm the ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1002.

USER: Thank you for reaching us.