You are a flight assistant. 
 USER: Hello, I am Nicholas Robinson.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking a flight ticket to DTW from EWR?

ASSISTANT: Sure, please provide me the planned travel dates.

USER: My planned dates are from Sept 05 to Sept 07.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Sorry to say, there are no flights available for your desired connection limit.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.