You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: James Hall here.

ASSISTANT: How may I assist you today?

USER: I am looking for a flight with price below 500. Can you book it? My airport codes will be AUS to LGA.

ASSISTANT: Sure, I will help you with that, can I know your travel dates?

USER: I am giving you my journey dates 03/17 to 03/19. I need a connecting flight.

ASSISTANT: Based on your request, there is a flight with Delta airline which is exactly matched with your requirement. Shall I proceed?

USER: Sure, you can book it.

ASSISTANT: Your ticket has been booked with your name successfully.

USER: Thank you.

ASSISTANT: It's my pleasure, have a great journey.