You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend a Seminar in Orlando. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are Mar 27 and Mar 29.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are PHL and MCO.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: Connecting flight.

ASSISTANT: May I know your good name please?

USER: Donna Brown. I want to depart in evening.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.