You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. By what way can I address you now?

USER: I want to book a flight ticket to New York with price under 500. Can you please help me with it?

ASSISTANT: Ok. Shall I know your airport codes?

USER: Airport codes are AUS-JFK.

ASSISTANT: Help me with your name, to book a ticket.

USER: My name is Rebecca Johnson.

ASSISTANT: What are your travelling dates?

USER: Travelling dates are 04/03 and 04/05.

ASSISTANT: You have a flight with 1 connection of price 100 in Southwest airline. Shall I make it to reserve?

USER: You can proceed.

ASSISTANT: Booking has been done.

USER: Thanks for the help.

ASSISTANT: Thank you for your time with us.