You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I want to book an economy class flight ticket to attend an event from DC. Can you help me?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: Dec 05th and 07th are my travelling dates.

ASSISTANT: May I know your preferable airport code names?

USER: DCA and CLT are my airport codes.

ASSISTANT: May I know your name for further process?

USER: Myself Emily Nelson.

ASSISTANT: Do you have any another specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT:  AA airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: You can reserve it.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1003.

USER: Thank you for your service.

ASSISTANT: You are welcome Emily Nelson.