You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to book a flight from DTW, will you please help me in booking a flight?

ASSISTANT: Sure, May I know the destination code?

USER: My destination airport code is ORD.

ASSISTANT: Please help me with your journey dates.

USER: My planned dates are on Jan 29th to Jan 31st.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirements?

USER: I need a flight in an economy class.

ASSISTANT: May I know your name?

USER: Sure, my name is Shirley Rodriguez.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry,  No flights found with your preferable dates.

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.