You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Taylor.

ASSISTANT: How may I help you out?

USER: I am planning to visit Washington to attend a protest, can you please book me the ticket from DFW to IAD?

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

USER: My preferable journey dates are from 09/08 to 09/10.

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

USER: That's ok for me. Please book my ticket with this flight.

ASSISTANT: Ok, your ticket has been booked with flight number 1004.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.