You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Carol White here. I would like to spend my time at Atlanta, please help me in booking a ticket from DTW to ATL.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My planned travel dates are on Dec 02 and Dec 04.

ASSISTANT: Do you have any airline preferences?

USER: Any airline is comfortable for my trip.

ASSISTANT: Do you have any class preferences?

USER: No, I do not have any class preference.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I would like to return in the evening. I need a connecting flight.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us, have a nice day.