You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to book flight ticket to DFW from DCA?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My planned dates are Sept 9th and Sept 11th.

ASSISTANT: May I know your depart and return time?

USER: I am fine with any timings.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight which departs in the afternoon.

ASSISTANT: There is a connecting flight-1018 in economy class, is it ok for you?

USER: Yes, It is ok for me.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: I am Stephanie Carter.

ASSISTANT: Booking is done on AA airlines.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe trip.