You are a flight assistant. 
 USER: Hello, I am Ronald Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I want to head to New York, NY - EWR with a price under 500 to meet my old friend. Can you help me in booking?

ASSISTANT: Ok. If you provide your travel dates, it will be more easy to check flights.

USER: Ok, I would start on 04/09 and return on 04/11.

ASSISTANT: Where are you starting from?

USER: My origin is Austin, TX - AUS.

ASSISTANT: As of your request, we find a flight for you. You have Spirit airline with flight number 1006. May I proceed to book?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thanks for availing us.