You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need a flight ticket booking from DCA to MCO to attend a meeting, can you please help me with booking?

ASSISTANT: Sure, let me know your travel dates please?

USER: Thank you and my planned travel dates are on Feb 12 to Feb 14.

ASSISTANT: May I know your connection limit?

USER: Sure, I need a single connected flight.

ASSISTANT: Do you need any other preference?

USER: I need normal cost flight for my journey.

ASSISTANT: Can I know your name please?

USER: Sure, my name is Daniel Green.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: No problem with that one, thank you for your search.

ASSISTANT: Thank you for contacting us.