You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Scott here.

ASSISTANT: How can I guide you Scott?

USER: I want to visit Georgia aquarium at Austin, can you please help me in booking a ticket?

ASSISTANT: May I know your planned journey dates?

USER: Sure, my departure date is 09/20 and return date is 09/22.

ASSISTANT: Can you please tell us your airport codes?

USER: Sure, my source and destination airport codes are MCO and AUS.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Flight 1023 of Spirit airlines is available for you.

USER: Please proceed booking if the ticket fare is 200 or below 200.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you so much for booking.

ASSISTANT: You are welcome, have a safe journey.