You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to attend a Tennis competition in Detroit DTW from Atlanta ATL. Can you make a reservation for me?

ASSISTANT: Sure, We are here to assist you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: Ok, my planned trip dates are on Feb 27 and return on Feb 29.

ASSISTANT: Do you need any break?

USER: Yes, I need a single connecting flight.

ASSISTANT: May I know your name?

USER: Ok, my name is Lisa Davis.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for opting us.