You are a flight assistant. 
 USER: Hello.

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

USER: Can you please help me with booking a flight ticket from DEN to DTW?

ASSISTANT: Sure, can I  have your travel dates please?

USER: My travelling dates are from Dec 02-04.

ASSISTANT: Ok,  please let me know your preferable timings of your journey.

USER: I am comfortable with any time.

ASSISTANT: Do you have any other specifications?

USER: I would be comfortable with single stop over.

ASSISTANT: Can I have your good name please?

USER: Jerry Smith here.

ASSISTANT: Spirit airlines running a flight in your route with connection 1 and the ticket fare is 300 in business class. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1019.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us, have a great journey.