You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you with today?

USER: I'm Michael Green. Can you book a ticket from CO - DEN to DC - DCA?

ASSISTANT: Sure, I can help you with that. Michael, can you please provide your travelling dates?

USER: Sure, my travel dates are 08/28 and 08/30.

ASSISTANT: OK. Is there any requirements that you are looking for?

USER: Yes, my price limit should not exceed 5000 and connection should be 1.

ASSISTANT: OK, let me check that for you.

USER: OK.

ASSISTANT: Michael, there is a flight available at your request with price 100 and the airline is Southwest. Would you like me to confirm the booking?

USER: Yes, proceed with my booking.

ASSISTANT: Sure. Your booking is confirmed. Your flight number is 1017 and the airline is Southwest. Have a great journey.

USER: Thank you.

ASSISTANT: You are most welcome. Thank you for contacting us.