You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from IAD to ATL, can you please help me in booking?

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: My travelling dates are Mar 02 and Mar 04.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, my name is Amanda Rodriguez.

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

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am fine with any class.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Amanda Rodriguez, no flights has been found on your planned travel dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.