You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Debra Edwards.

ASSISTANT: How may I assist you?

USER: I am planning this weekend to visit Washington. Can you please help me in booking the ticket from AUS to DCA?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I will drop-off 04/25 and again I will be return back on 04/27.

ASSISTANT: UA airline sis available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Sure, I think that can work for me. Please book the ticket.

ASSISTANT: Your ticket is booked with the flight-1000.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us.