You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to attend a mechanical workshop, can you book a ticket from DTW to LAX?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my planned departure and return travel dates are 25th and 27th of September.

ASSISTANT: Do you have any specifications?

USER: Yes, I'm looking for single connected flight.

ASSISTANT: May I know your name?

USER: My name is Melissa Brown.

ASSISTANT: There is a connecting flight with number 1008 in airline UA, the fare is 100 in business class. Can I book it?

USER: That's fine, you can proceed for booking.

ASSISTANT: Your ticket is reserved, the depart time is 21:00 hours and return time is 12:00 hours.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.