You are a flight assistant. 
 USER: Hi, I am Ronald Williams.

ASSISTANT: Hello, how may I serve you today?

USER: I have work at Texas State Capitol in Austin, AUS. So, please book flight on 08/31.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your return date?

USER: I intend to arrive on 09/02.

ASSISTANT: May I no your price limit?

USER: Yes, I need a flight ticket with a price of 500.

ASSISTANT: From where do you want to board at?

USER: It's from Los Angeles, LAX.

ASSISTANT: We found a flight on Frontier airline, flight number 1012 with the fare of 200.

USER: Ok.

ASSISTANT: Shall I proceed for booking?

USER: You can make it confirm.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the prompt response.

ASSISTANT: Thank you for reaching us.