You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good evening! How can I aid you?

USER: Can you please help me with booking a flight ticket from ATL to DTW?

ASSISTANT: Sure, I'm happy to help you with that. Can you please provide the dates on which you are planning to depart and arrive?

USER: My travelling dates are from Feb 01-03.

ASSISTANT: How many stop overs are you expecting in between your journey?

USER: I would be comfortable with single stop over.

ASSISTANT: Please let me know if you have any other specifications, I'll search for the flights according to that.

USER: My return has to be in afternoon.

ASSISTANT: Ok, can I have your good name please?

USER: Benjamin Gonzalez here.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates with your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us, have a great day.