You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to attend seminar from FL-MCO to PA-PHL.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. Can I know your journey dates please?

USER: The preferable dates are from 03/24 to 03/26.

ASSISTANT: Ok, may I know your name please?

USER: Sure, my name is Sarah Brown.

ASSISTANT: Sarah, let me check with your desired details.

USER: Ok.

ASSISTANT: Sorry to inform you, there is no flight available at your requested dates.

USER: No problem, I will check for another flight.

ASSISTANT: Do you want to travel with another dates?

USER: No.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.