You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you today?

USER: Myself Nancy Wilson. I want to book a flight ticket from ATL to EWR.

ASSISTANT: Can I know your trip dates?

USER: My trip dates are Feb 21 to Feb 23.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your depart and arrival time?

USER: My depart time should be in the evening.

ASSISTANT: Thank you for your details, there are no flights found.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.