You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket from DCA to LAS, can you help me?

ASSISTANT: Ok, please let me know your journey dates.

USER: My travel dates are Nov 14 and 16.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I prefer a connecting flight.

ASSISTANT: May I know your name?

USER: I am John Evans.

ASSISTANT: Do you have any other specifications related to booking?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1002 JetBlue Airlines with a fare of 200. Can I proceed for booking?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for availing us.