You are a flight assistant. 
 USER: Hi, I am Charles Robinson.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from CLT to MCO?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: Trip dates are 03/13 and 03/15.

ASSISTANT: Do you need any way station in your journey?

USER: I need a direct flight.

ASSISTANT: Is there any class preference for you?

USER: No.

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

USER: No problem, thanks for the help.

ASSISTANT: Thank you for choosing us, we will try to provide our service for the next time.