You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you find a flight for me in a business class?

ASSISTANT: Sure, may I know the travelling airport codes?

USER: Sure, my locations are from MCO to PHL.

ASSISTANT: Please mention your travelling dates.

USER: Sure, my planned dates are from Dec 20 to 22.

ASSISTANT: Any other specifications needed?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: May I know your name?

USER: Sure, I am Shirley Moore.

ASSISTANT: Sorry, there are flight tickets available with your requirements.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching our service.