You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Could you please check the flight availability in economy class?

ASSISTANT: Sure, may I know your airport codes?

USER: I am heading to DCA from LAX.

ASSISTANT: Can you please share your planned travel dates?

USER: My travel dates are Sept 06 and Sept 08.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Elizabeth Martinez.

ASSISTANT: We found a Spirit airline, flight number: 1010, price: 200 with one connection.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you, have a good day.