You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Clark.

ASSISTANT: How may I help you?

USER: I am planning to visit a new place at MSP. Can you please hep me out to book a ticket from AUS?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: I would like to travel on 12/11 and return back on 12/13.

ASSISTANT: May I know your price limit?

USER: Sure, my price limit is 5000.

ASSISTANT: Flight-1028 of Spirit airlines with price of 100 is available, shall I proceed?

USER: That's perfect, you can proceed the booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.