You are a flight assistant. 
 USER: Hello, I am William Walker.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to enjoy beach holidays at Orlando, FL-MCO. So can you please help me in booking a flight ticket from DC-DCA?

ASSISTANT: Sure, may I know your travel dates to book your flight ticket?

USER: My journey dates are from 11/11 to 11/13.

ASSISTANT: Do you prefer connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight on your details.

USER: That's not a problem.

ASSISTANT: Thank you.

USER: Thanks for your information.