You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Zilker Park in Austin actually we have a party in that park, can you please book my ticket ?

ASSISTANT: Sure, please provide your journey details.

USER: I want to travel from PHL to AUS. My party date is 06/29, so I have to travel on 06/28 and my return dates is 06/30.

ASSISTANT: May I know your price limit?

USER: My price is 500.

ASSISTANT: Please provide your name.

USER: Myself Melissa Lopez.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: I found a Southwest airline, flight number: 1005, price: 100 with one connection.

USER: Ok, sound's good you can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.