You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service today?

USER: I want to book a ticket from MCO to DCA. Could you book a ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Depart is by Dec, 14 and return date is Dec, 16.

ASSISTANT: Do you have any other specifications?

USER: I would prefer connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: My name is Jeffrey Clark.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Thank you.

ASSISTANT: Thank you for reaching us.