You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you. May I know your itinerary dates?

USER: My travelling dates are Mar 11 and Mar 13.

ASSISTANT: Do you need any lay by in your journey?

USER: I need single connecting flight.

ASSISTANT: Would you like to prefer business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your nearest airport codes?

USER: My airport codes are PHX and MCO.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Anyway, thanks for the information.

ASSISTANT: For documentation, may I know your good name please?

USER: My name is Timothy Thompson.

ASSISTANT: Thank you for availing us.