You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Could you please help me to book a flight ticket from DTW to MCO?

ASSISTANT: May I know your travel dates?

USER: I want to travel on Oct 19 and return on Oct 21.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: I am Sharon Roberts.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.