You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to book a flight ticket to IAD from DFW, can you please help me out?

ASSISTANT: Sure, I'm happy to help you with that. Can you please provide the dates on which you are planning to depart and arrive?

USER: Sure, my trip dates are Dec 11 and Dec 13.

ASSISTANT: Do you need stopover in between your journey?

USER: My return time must be in afternoon.

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

USER: I am looking for a flight with 1 connection.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Angela Clark.

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

USER: Ok, please confirm my reservation.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1002, have a safe journey.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us, have a nice day.