You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I am Benjamin Roberts. I would like to travel from DTW to EWR. Can you please help me to book a ticket?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My travelling dates will be on Jan 1 to Jan 3.

ASSISTANT: Do you have any another specifications?

USER: I need a connecting flight. My depart time should be evening.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.