You are a flight assistant. 
 USER: Hello, I am Michelle Green.

ASSISTANT: Hello,. How can I help you?

USER: As I am planning to conduct an educational fair at Austin, TX-AUS, can you help me to book a flight ticket from Phoenix, AZ-AUS?

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: I need to reach Austin on 05/13 and my return date will be on 05/15.

ASSISTANT: Do you have any other requirements?

USER: I need a halt in between my journey.

ASSISTANT: Please re verify your boarding point?

USER: My source is Phoenix, AZ-PHX.

ASSISTANT: There is a connecting flight with price of 200 and 1013 flight number. Shall I proceed?

USER: Yes, you can proceed with the booking,.

ASSISTANT: Your booking has been confirmed with Southwest airline.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for choosing us.