You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you for the day?

USER: I am Gregory Smith. Can you serve me by booking a connected flight for my journey to Washington in the month of March which returns back to my location in the afternoon?

ASSISTANT: Sure, I am happy to help you. On which dates would you like me to book the flight?

USER: Thank you for reacting positively about my query. I would like to start my journey on Mar 19 and need to catch a return flight on Mar 21.

ASSISTANT: May I know your respective airport codes?

USER: Sure, my preferable airport where I need to departure and arrival are ATL and IAD.

ASSISTANT: Is there any airline preference for you?

USER: I do not have such type of preference.

ASSISTANT: Do you have any other specifications to be met?

USER: No, thanks for asking.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight in JetBlue airline with a fare of 200 which departs at 2:00 AM and return at 16:00 PM. Shall I proceed for booking?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1015.

USER: Thank you for booking my flight ticket with the flight 1015.

ASSISTANT: Thank you for choosing us.