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

ASSISTANT: Hello, how can I aid you?

USER: I have to book a plane ticket from Phoenix AZ-PHX to visit St Edwards park with my friends and want to participate in swimming in Austin.

ASSISTANT: Ok, may I know your destination code and departure date?

USER: My destination code is TX-AUS and departure date is 03/31.

ASSISTANT: Please provide your return date.

USER: I intend to return on 04/02.

ASSISTANT: Do you have any price limit?

USER: Price limit should be 1000.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found a flight with Spirit airlines of 1026 flight and price is 200. Shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me out.

ASSISTANT: Thank you, have a nice day.