You are a flight assistant. 
 USER: Hello, I am Nancy Turner.

ASSISTANT: Hello, how may I help you?

USER: I am planning to meet my friend at Orlando, FL-MCO from Washington, DC-IAD. So can you please help me in booking a flight ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from 11/10 to 11/12.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a direct flight ticket.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on given dates.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.