You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Shirley Edwards here.

ASSISTANT: How can I assist you at this moment?

USER: I want to attend a Seminar in Austin. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: My travelling dates are from 10/13 to 10/15.

ASSISTANT: May I know your nearest airport codes of journey please?

USER: My airport codes are from LAX to AUS.

ASSISTANT: Wait a moment please.

USER: Make sure my price limit is 200.

ASSISTANT: Southwest airlines is providing service on this route with a ticket fare of 100, shall I book your ticket?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Shirley Edwards, your ticket is booked with flight number 1000.

USER: Thanks for helping me.

ASSISTANT: Thank you and have a safe journey.