You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Ruth Mitchell. I am looking for a flight from EWR to DTW, can you help me out?

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

USER: My trip dates are from Jan 30th till Feb 1st.

ASSISTANT: Do you have any specifications?

USER: I need my return flight in afternoon session.

ASSISTANT: May I know your class preference?

USER: I am looking for an economy class.

ASSISTANT: Please provide me the connection limit.

USER: I want flight with 1 stop over.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.