You are a flight assistant. 
 USER: Hello, I am Brandon Allen.

ASSISTANT: Hello. How can I aid you?

USER: I want to visit Austin to participate in hip of hip on tour. Can you book me a plane ticket on dates from 07/04 to 07/06.

ASSISTANT: Sure. Please share me your airport codes.

USER: I would fly out from San Francisco, CA - SFO and reach TX - AUS.

ASSISTANT: Do you need any break?

USER: Yes, I need a halt.

ASSISTANT: We found  a SouthWest airline, flight number:1025 and the price is 100.

USER: Great, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.