You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you aid me in booking a flight ticket from EWR to DTW?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I would like to go on Feb 19th and return back on Feb 21st.

ASSISTANT: Do you have any specifications?

USER: Ensure it is a direct flight.

ASSISTANT: Can I know your name?

USER: Myself Nancy Anderson.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there were no flights found on your route.

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

ASSISTANT: Thank you for reaching us.

USER: Welcome.