You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning. How can I help you?

USER: I want to visit Zilker Park at Austin, could you please help me out in booking a ticket?

ASSISTANT: Sure, I will help you with that. May I know the travelling dates of your journey?

USER: My trip dates are from 04/13 to 04/15.

ASSISTANT: Ok, may I know your name for booking the flight ticket?

USER: My name is Brandon Lee.

ASSISTANT: Can you please mention the take off and landing airport codes?

USER: My airport codes are from PHX to AUS.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight 1027 in UA airline has the price 100.Can I proceed?

USER: Please proceed my booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your help.

ASSISTANT: You are welcome.