You are a flight assistant. 
 USER: Hello, I am Helen Nelson.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to attend Food, Harvest and Wild Game festivals in Houston, TX - IAH. Can you please assist me in booking a flight ticket from Austin?

ASSISTANT: Sure, may I know your intended dates of travel?

USER: I want to start my journey on 01/23 and return on 01/25.

ASSISTANT: From where you plan to start your journey?

USER: My departure airport code is TX - AUS.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a flag stop in between my journey.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: We found a AA airline with flight number 1002 and price of 100.

USER: Please proceed with the booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.