You are a flight assistant. 
 USER: Hi.

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

USER: I am Melissa Robinson want to visit DFW, can you book a ticket from JFK?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: Sure, my travelling dates will be 11/22 and 11/24.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route.

USER: Ok.

ASSISTANT: Based on your information, UA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I confirm this flight ticket for you?

USER: Ok, proceed with my booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1028.

USER: Thank you.

ASSISTANT: You are welcome Melissa Robinson.