You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Justin Lopez here and I want to book a flight ticket, can you please help me out?

ASSISTANT: Can you please share your nearest source and destination airport codes?

USER: Sure, I want to travel from ATL to DFW.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My boarding is on 10/03 and please book a return flight ticket also on 10/05.

ASSISTANT: I found a flight with flight number 1015 with price 100 and connection is 1, would you like me to proceed with the booking?

USER: Sure, everything is fine for me. You can proceed.

ASSISTANT: Your booking is confirmed with Southwest airlines.

USER: I will appreciate your service, thank you for booking.

ASSISTANT: My pleasure. Have a safe journey.