You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to meet my sister at Washington, can you please reserve flight ticket from JFK to DCA?

ASSISTANT: Sure, I am here to help you. Could you please share your journey dates?

USER: Sure, my planned travelling dates are Sep, 23 and 25 respectively.

ASSISTANT: Do you have any connection limit?

USER: Flight has to be with single connection.

ASSISTANT: Is there any specifications?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Jonathan Green here.

ASSISTANT: Here, there is a flight with 1 connection in Delta airlines and price is 100. Shall I book?

USER: Please proceed for booking.

ASSISTANT: Ik, your ticket has been booked with the flight 1003.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.