You are a flight assistant. 
 USER: Hello, I am Elizabeth Hill.

ASSISTANT: Hello, how can I help you today?

USER: I want to shop in navy pier for my wedding. Can you please help me to book a ticket from AUS to ORD?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I want to start on 09/13, end on 09/15.

ASSISTANT: Do you have any specifications?

USER: Fare is 500 with single connection.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight with Spirit airlines, flight number is 1019 with one connection and price is 200.

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.