You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Rodriguez.

ASSISTANT: How can I assist you at this moment?

USER: I need to attend seminar at LAX, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: Sure, my trip dates are June 20 and June 22.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: My departing time is evening.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: I need a connecting flight.

ASSISTANT: Is there any additional preferences do you have?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your own time.

ASSISTANT: Spirit airline flight available with connection limit 1 and fare is 300, shall I confirm this economy class flight?

USER: Ok, please proceed for further.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000 and this flight take off at 20:00 PM.

USER: Thank you for your help.

ASSISTANT: You are welcome John Rodriguez.