You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my flight from DTW to reach EWR?

ASSISTANT: Sure, help me with the trip dates?

USER: Thank you, my travelling dates are Sep 3rd and Sep 5th.

ASSISTANT: May I know your name please?

USER: Myself Mary Parker.

ASSISTANT: Do you have any preferences?

USER: I would like prefer to travel in a flight which has maximum of a single connecting flight.

ASSISTANT: Sorry, no flights were available at this moment.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.