You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from ATL to DTW. Could you help me in booking?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are from June 22 - 24.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer for connecting flight.

ASSISTANT: May I know your good name please?

USER: Richard Martinez.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.