You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I would like to travel from DTW to ORD as a business trip, can you do the reservation?

ASSISTANT: Sure, can you share me your trip dates?

USER: My journey dates are 07/26 and 07/28.

ASSISTANT: Do you have any connection limit?

USER: I need only direct flight.

ASSISTANT: Is there any other specifications?

USER: Return time should be afternoon.

ASSISTANT: May I know your good name?

USER: Nicholas Evans here.

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

USER: No problem, thanks for the information.

ASSISTANT: Thank you for reaching us.