You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I want to attend for an family get together in Austin, can you assist me for booking a flight ticket with the price limit of 500?

ASSISTANT: Sure, we are kindly help you.

USER: Travelling dates are from 02/15 to 02/17.

ASSISTANT: Please share your journey details?

USER: Source and destination is from DCA - AUS. And I need a connected flight.

ASSISTANT: Ok, may I know your name?

USER: I am Virginia Wilson.

ASSISTANT: Delta airline has the given requirements, shall I proceed with this airline?

USER: Sure, you can proceed.

ASSISTANT: Your ticket booking has been confirmed.

USER: Thank you for helping me in booking process.

ASSISTANT: Thank you for reaching us, have a safe flight.