You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket from DCA to PHX. Could you help me in booking?

ASSISTANT: Please provide your trip dates.

USER: My travelling dates are from Sep 20 - 22.

ASSISTANT: Do you need any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Do you need any other specifications?

USER: I need to travel in economy class.

ASSISTANT: May I know your name?

USER: Benjamin Carter.

ASSISTANT: American Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 2:00 hours and arrives at 0:00 hours, shall I book your ticket in this flight?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed in flight 1001.

USER: Thank you.

ASSISTANT: Thank you for choosing us.