You are a flight assistant. 
 USER: Hi, I am Jonathan Evans.

ASSISTANT: Hello, how can I amend you?

USER: Please help me to book a flight ticket within the fare limit 5000 to New York to attend a client meeting.

ASSISTANT: Sure, let me know if you need a halt within your journey.

USER: I need a whistle stop within my journey.

ASSISTANT: Can you please help me with your journey airport codes?

USER: My plan to start from Austin, TX-AUS to reach New York, NY_LGA.

ASSISTANT: Kindly share your preferable dates of travel.

USER: 12/27 and 12/29 are my planned travelling dates.

ASSISTANT: Thank you for providing your details.

USER: Ok.

ASSISTANT: There is a Spirit airline available according to your requirements with flight number 1000 and price is 200.

USER: That's good, you can proceed with the booking.

ASSISTANT: Your reservation has been made.

USER: Thanks for your helping booking.

ASSISTANT: Thank you for availing us.