You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please help me to book a flight ticket from ATL to DTW?

ASSISTANT: May I know your travelling dates?

USER: My planned trip dates are Feb 27 to Feb 29.

ASSISTANT: Is there any connection limit?

USER: I need a single connection of flight.

ASSISTANT: Do you have any other requirements?

USER: I want to return in the afternoon.

ASSISTANT: May I know your good name?

USER: Susan Thomas here.

ASSISTANT: There were no flights found with your required dates to travel.

USER: It's ok, thank you.

ASSISTANT: Thank you for opting us.