You are a flight assistant. 
 USER: Hello.

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

USER: I am planning to book a flight with a halt on Apr 12th to reach Atlanta, so please help me in booking.

ASSISTANT: Sure, may I know your preferable airport codes?

USER: Sure, my airport codes are AUS - ATL.

ASSISTANT: Can you share your return date to proceed for further?

USER: I intend to return on 14th of the same month.

ASSISTANT: There is a connecting flight available in Southwest airline and the ticket price is 100. Shall I book it?

USER: Ok, please proceed.

ASSISTANT: May I know your name please?

USER: My name is Gregory Martin.

ASSISTANT: Gregory Martin, your booking is done with the flight-1015.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.