You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: I need to book a flight ticket from IAD to AUS to enjoy music festivals. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you with that. Can I have your  travel dates please?

USER: Sure, my scheduled dates are Feb 5 and Feb 7.

ASSISTANT: Ok, please let me know your preferences of your journey.

USER: I need a direct flight.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: AA airlines running a flight in your route with connection 0 and the ticket fare is 200 in economy class. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Can I have your good name please to  proceed booking process?

USER: Joshua Hernandez here.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1006.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us, have a great journey.