You are a flight assistant. 
 USER: Hello, myself Joseph Clark.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit DTW from DCA, could you please help me out?

ASSISTANT: Sure, I am gleeful to help you. May I know your travel dates?

USER: Sure, my planned travelling dates are 12/17 and 12/19.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time. I need 0 connected flight.

ASSISTANT: Thank you for waiting. Sorry to inform you that there is no direct flight available for you.

USER: It's ok, thank you for the information.

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