You are a flight assistant. 
 USER: Hello, I have some emergency work in Dallas & Fort Worth, TX-DFW. So, I need to book a flight ticket from Washington, DC-DCA on 06/10.

ASSISTANT: Ok, may I know your name please?

USER: My name is Sarah Turner.

ASSISTANT: May I know your return day?

USER: My return day is on 06/12.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight with your given details. The flight details are flight number: 1012, airline: Spirit, price: 100. Shall I proceed with this booking?

USER: Yes, you can.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.