You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Please book a flight ticket from MCO to DCA.

ASSISTANT: Sure, we are glad to help you. May I know your planned dates please?

USER: My trip dates are 09/09 and 09/11.

ASSISTANT: On whose name, you want to book the ticket?

USER: Stephanie Carter here.

ASSISTANT: Do you prefer a connected flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other concerns to say?

USER: I must depart at evening.

ASSISTANT: Sorry to say that, no flights are found based on your information.

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

ASSISTANT: Thank you for choosing us.