You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket from IAD to ATL, Can you please help me for booking?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: I would like to travel on 09/09 to return on 09/11.

ASSISTANT: Do you need break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: Yes, I need a return time is evening.

ASSISTANT: Can I have your good name please?

USER: Larry Lopez here.

ASSISTANT: Spirit airlines is providing a single connected flight with ticket fare of 200, shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1026, have a safe journey.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.