You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a ticket to meet my friend at JFK to DTW. Can you please help me out?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I am planning to travel on Sept 18 and return back on Sept 20.

ASSISTANT: Can I know your name?

USER: My name is Janet Davis.

ASSISTANT: Do you have any journey timings?

USER: No, I am looking for a direct flight.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.