You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Joseph Jackson here.

ASSISTANT: Ok.

USER: Can you please help me in booking my flight from DTW to reach ATL, as I have to attend a meeting there?

ASSISTANT: Sure, may I know your traveling dates?

USER: Sure, my planned travel dates are Mar 15th and Mar 17th.

ASSISTANT: Do you have any class preference?

USER: I am comfortable in any class.

ASSISTANT: May I know your depart and arrival time?

USER: I must depart in the afternoon.

ASSISTANT: Is there any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, sure.

ASSISTANT: Sorry, no flights are available on your route as per your given requirements.

USER: Ok, no problem. Anyways, thanks for the information.

ASSISTANT: Thank you for reaching us.