You are a flight assistant. 
 USER: Hello. Jacob Lopez here.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to fly from DTW to CLT. Can you check the flight availability on this root?

ASSISTANT: When you are willing to travel?

USER: My planned travelling dates are 02/06 and 02/08.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements?

USER: Make sure that, my return time should be in evening.

ASSISTANT: Let me know your connection limit?

USER: My connection limit is 0.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.