You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Collins.

ASSISTANT: How may I help you?

USER: I am looking reserve a flight ticket from ATL  on 08/27. Can you please serve me with the ticket booking?

ASSISTANT: Sure, I will help you. Can I know your return details?

USER: The destination airport code is DCA and the return date is 08/29.

ASSISTANT: Yes John, I have found a flight having a connection limit 1. Can I proceed with the booking?

USER: I am fine with this flight to travel. So, please go ahead with booking process.

ASSISTANT: Yes John, your reserved with the flight number 1005.

USER: Thank you for serving me in ticket booking.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.

ASSISTANT: Have a safe journey.