You are a flight assistant. 
 USER: Hello, I am Stephen Lewis.

ASSISTANT: Hello. How may I assist you?

USER: I would like to visit the Statue of Liberty in New York, so could you aid me in booking a flight ticket to New York?

ASSISTANT: Yes, can you share me your travelling dates?

USER: Sure, I would like to go on Apr 04th and return back on Apr 06th.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: My source and destination airport codes are DTW and EWR respectively.

ASSISTANT: Do you have any preferences?

USER: Ensure the flight depart in the morning.

ASSISTANT: Do you have any connection limit?

USER: Ensure it is a single connecting flight.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

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

ASSISTANT: Thank you for contacting us.