You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Johnson.

ASSISTANT: How can I aid you?

USER: I want to book a ticket from CLT to MCO to attend seminar, can you help me in booking?

ASSISTANT: Sure, we are happy to help you. Can you please help me with your travelling dates?

USER: I am departing on Nov 10 and return on Nov 12.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a flight with connection limit 1.

ASSISTANT: Is there any class preference for you?

USER: I am ok with any class.

ASSISTANT: May I know your depart and arrival time for this trip?

USER: I want to depart in Afternoon.

ASSISTANT: Thanks for providing details, no flights are available on your journey routes.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for opting us.