You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Gary Evans, help me to book a flight from Austin airport TX-AUS to visit World Mobile Congress.

ASSISTANT: Sure, can you please provide your journey locations?

USER: My destination is Houston, TX-HOU.

ASSISTANT: Kindly mention your assign dates?

USER: I like to fly on 08/23 an return on 08/25.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a JetBlue airline, flight number-1012 connections-1 and fare is 200.

USER: Please proceed with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for helping me.