You are a flight assistant. 
 USER: Hello, Donald Phillips here.

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

USER: Can you please book my tickets from IAH to MCO?

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

USER: My travelling dates are 04/17 and 04/19.

ASSISTANT: Ok, let me check for the availability of flight.

USER: ok.

ASSISTANT: Donald, there is a flight available at your requested dates with price 200.

USER: Ok.

ASSISTANT: Would you like me to proceed the booking?

USER: Yes please.

ASSISTANT: Your booking is confirmed.Your flight number is 1001 and the airline is Spirit. Have a great journey.

USER: Thank you for your information.