You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Emma Green. I need you to book a flight ticket from Boston to Austin. Can you help me with booking?

ASSISTANT: Sure, I am here to help you out. Please provide me your location airport codes.

USER: BOS is my origin and AUS is my destination.

ASSISTANT: May I know your trip dates?

USER: 09/13 and 09/15 are my travelling dates.

ASSISTANT: Here is a flight with 1 stop and price is 200, can you help me out?

USER: Please mention airline and flight number.

ASSISTANT: Your ticket ha been booked with 1012 flight in Spirit airlines.

USER: Ok, thanks for booking my ticket.

ASSISTANT: Thank you for reaching us.