You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Helen Moore here.

ASSISTANT: How can I assist you today?

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

ASSISTANT: Sure, I will help you in booking.

USER: Thanks.

ASSISTANT: May I know from where you want to start and end your journey?

USER: My airport codes are PHX and MCO.

ASSISTANT: When would you like to depart and arrive?

USER: My travelling dates are 02/10 and 02/12.

ASSISTANT: Do you need any connection limit?

USER: I want to prefer a nonstop flight.

ASSISTANT: Please provide your specifications.

USER: I want to departure on evening.

ASSISTANT: Sorry to inform you that there is no flights found with your given information.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for availing us.