You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Can you please help me in booking a flight ticket from Detroit, DTW to Philadelphia, PHL?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My journey dates are from Sept 19 to Sept 21.

ASSISTANT: Do you have any connection limit preference?

USER: I need a direct flight ticket.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: My name is Stephen Lewis.

ASSISTANT: United Airlines is providing direct flight on this route with a ticket fare of 200 and flight departs at 19:00 hours and arrives at 18:00 hours, shall I book your ticket in this flight?

USER: Sure, you can proceed for booking.

ASSISTANT: Stephen Lewis, your ticket is booked in flight number 1014.

USER: Thanks for your help.

ASSISTANT: You are welcome and have a safe journey.