You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Anna Robinson want to attend a workshop at Phoenix, can you book a ticket with price under 500?

ASSISTANT: Sure, I am here to help you. Can you please help me with your travelling dates?

USER: My travelling dates will be 07/14 and 07/16.

ASSISTANT: May I know your airport codes?

USER: Sure, I want to fly from ATL to PHX.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight-1012 of Spirit airlines, shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice journey.