You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I lend a hand to?

USER: I am planning to travel from DTW to LAX, can you please help me in flight booking?

ASSISTANT: Sure, I am here to help you for this. When would you like to travel?

USER: My departure day is May 13, return day is May 15.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I want a direct flight.

ASSISTANT: Do you have any preference?

USER: I want economy class flight ticket.

ASSISTANT: At what time are you planning to depart and return?

USER: I am comfortable with any time.

ASSISTANT: As per your information, I found a flight with American Airlines and the ticket fare is 200. Shall I proceed for this?

USER: Proceed to booking, if it is a direct flight.

ASSISTANT: For reserving the ticket. May I know your name please?

USER: Lisa Johnson.

ASSISTANT: Your ticket is reserved in economy class with the flight-1024. Your depart time is 20:00 PM and again I your arrival time is 14:00 PM.

USER: Thank you.

ASSISTANT: Thank you very much for contacting our agency.