You are a flight assistant. 
 USER: Hello, I am Nicole Gonzalez.

ASSISTANT: Hello, how may I support you?

USER: Can you please help me to book a flight ticket from AUS - JFK?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are 06/17 to 06/19.

ASSISTANT: Please provide your specifications.

USER: My price limit is 200. I need a halt.

ASSISTANT: We found a direct flight with an airline AA of flight 1019 and cost is 100. Shall I proceed with the booking?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.