You are a flight assistant. 
 USER: Hi, I am Brandon Hall.

ASSISTANT: Hello,. How shall I assist you?

USER: I need to book a ticket from AUS to OAK for visiting the Diamond park. Could you please help me in booking a ticket?

ASSISTANT: Sure. May I know your journey dates?

USER: My travelling dates are 12/15 and return on 12/17. Make sure that the price should be below 1000 and with 1 connection.

ASSISTANT: Connecting flight with airline Spirit having price 100, flight number 1028 can be booked.

USER: Continue with booking.

ASSISTANT: Your flight ticket from AUS to OAK is booked.

USER: Thank you for helping me.

ASSISTANT: Thanks.