You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Please help me to book a flight ticket from AUS to IAD.

ASSISTANT: Sure, may I know your dates of journey please?

USER: My trip dates are from July, 29 to July, 31.

ASSISTANT: Ok, may I know your name please?

USER: My name is Jessica Miller.

ASSISTANT: I found a direct flight of fare 100 with Southwest airline, are you ok with this booking?

USER: Please proceed.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1006.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a safe journey.