You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a ticket from CLT to MCO?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are Sept 03 and Sept 05.

ASSISTANT: Let me know your connection limit.

USER: I need a direct flight.

ASSISTANT: Can I know your name please?

USER: My name is Melissa Perez.

ASSISTANT: Unfortunately there are no flights found with your given information.

USER: Ok, not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.