You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am looking for a flight from EWR to DTW, can you please help me in booking?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are Nov 28 and Nov 30.

ASSISTANT: Ok, do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure, I will wait for your response.

ASSISTANT: May I know your name please?

USER: Sure, my name is Susan Mitchell.

ASSISTANT: Sorry Susan Mitchell, there are no flights available on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.