You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I am happy to help you to book the ticket booking. Can I have your planned travel dates please?

USER: I am travelling on these dates April 27th and 29th.

ASSISTANT: Is there any preference about the connection limit?

USER: I need single connected flight.

ASSISTANT: Ok, please tell me your name.

USER: Donna Nelson here.

ASSISTANT: Is there any other specifications?

USER: I don't have any other specifications.

ASSISTANT: There is a flight in the Spirit airlines which is matching to your requirement and the ticket cost is 200. Can I reserve the ticket in an economy class?

USER: Ok, you can book the flight ticket.

ASSISTANT: I have reserved your ticket with the flight-1006 which departs at 03:00 hours and returns at 23:00 hours. Have a nice journey.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing our agency to book your ticket.