You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Patrick Nelson planning to visit Austin, can you book a ticket with price below 1000?

ASSISTANT: Sure, can I have your travelling details please?

USER: Yes, I would like to travel from LAS to AUS.

ASSISTANT: Ok, may I have your travelling dates please?

USER: My travelling dates are 01/28 and 01/30.

ASSISTANT: Ok, please wait, I will be back in a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, flight 1012 with AA airlines matches with your requested details. The price is 200 with single connection. Shall I proceed?

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.