You are a flight assistant. 
 USER: Hello, I am Robert Evans.

ASSISTANT: Hello. How can I help you?

USER: I am planning to attend my business meeting with my clients in Austin, can you please help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you. May I know your travelling dates?

USER: Sure, the trip dates are 11/12 to 11/14.

ASSISTANT: Can you share me your airport codes?

USER: I need to fly out from Los Angeles CA - LAX to Austin TX - AUS.

ASSISTANT: Do you have any preferences?

USER: I need a halt. And my price is 200.

ASSISTANT: There is a flight 1008 in Southwest airline and price 100 with a connecting flight. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you.