You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What is your name?

USER: Ronald Williams here.

ASSISTANT: How can I help you Ronald?

USER: Urgently, I want to go MCO. Please can you book my ticket from IAD?

ASSISTANT: Ok, let me know your dates?

USER: That's from 09/09 to 09/11.

ASSISTANT: The flight-1000 by Spirit airlines is available, do you want me to book it?

USER: Yes, please proceed my ticket booking.

ASSISTANT: Your ticket is confirmed. Thanks for contacting.

USER: Thank you.