You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to travel from DTW to ATL. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to fly in the flight on Apr 04 and Apr 06.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I want to have a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I want to depart in morning time.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: May I know your name please?

USER: Richard Martinez.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for opting us.