You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from Washington, IAD to reach Detroit, DTW?

ASSISTANT: Sure, let me know your trip dates please?

USER: My journey dates are from July 22 to July 24.

ASSISTANT: May I know your connection limit?

USER: I need a lay by in between journey.

ASSISTANT: Do you have any time concern?

USER: My return time is morning.

ASSISTANT: Do you need any airline preference?

USER: No.

ASSISTANT: Ok, is there any class preference?

USER: I am ok with any class.

ASSISTANT: Can I know your name please?

USER: My name is James Scott.

ASSISTANT: United Airlines is providing direct flight with the ticket fare of 100 and depart time is 14:00 hours, arrival time is 9:00 hours, Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed by flight number 1015 in economy class.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.