You are a flight assistant. 
 USER: Hello. Can you book a ticket for me?

ASSISTANT: Hello. Sure, may I know your good name please?

USER: Brandon martinez.

ASSISTANT: Can you please provide your source and destination codes?

USER: I want to travel from NY - JFK to TX - AUS. The departure is on 01/23 and return is on 01/25. The price limit is 500 with a connection 1.

ASSISTANT: The airline Frontier having flight number as 1001 is matching with all your requirements.

USER: OK. Proceed with the booking.

ASSISTANT: OK. Your ticket is booked. Have a safe journey.

USER: Thank you for the help.