You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket from JFK to DFW, can you please help me out?

ASSISTANT: Sure, may I know your name please?

USER: James King here.

ASSISTANT: When do you want to travel?

USER: I am travelling on these dates April 3rd and 5th.

ASSISTANT: Ok, please tell me your specifications?

USER: I need single connected flight.

ASSISTANT: Is there any more specifications?

USER: I don't have any other preferences.

ASSISTANT: There is a flight in the Southwest airlines with the ticket cost 100 and this is a direct flight. Can I book the ticket?

USER: Ok, you can proceed.

ASSISTANT: I have confirmed your ticket with the flight-1012.

USER: Thank you for your services.

ASSISTANT: Have a nice journey. Thank you for contacting us.