You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I need to book a flight ticket from DTW to PHL, Can you please help me for booking?

ASSISTANT: Sure, I will help you in booking. Can you share me your trip dates?

USER: I would like to travel on 10/16 to return on 10/18.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to fly with business class.

ASSISTANT: Is there anything else you want to check with?

USER: No.

ASSISTANT: Sorry, there are no flights found for the given dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: May I know your name for documentation purpose?

USER: Jacob Green.

ASSISTANT: Thank you for connecting us.