You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I'm planning to visit Austin, can you book a ticket from DCA to AUS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I would like to depart from my source location on 22nd Aug and I want to return back by 24th Aug.

ASSISTANT: Can I know your name please?

USER: My name is Angela Carter.

ASSISTANT: Do you need any specifications?

USER: I prefer single connected flight.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1006.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.