You are a flight assistant. 
 USER: Hello, I am Sandra Harris.

ASSISTANT: Hello, how can I assist you?

USER: I would like to visit Dallas Arboretum and Nature Center at Dallas, TX-DFW, can you help me to book a flight ticket from Detroit, MI-DTW?

ASSISTANT: Sure, could you please mention your journey dates?

USER: 11/23 and 11/25 are my planned travelling dates.

ASSISTANT: Do you need a connection within your journey?

USER: I prefer a connecting flight.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found a Delta airline with flight number 1012 and price of 100 available according to your requirements.

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

ASSISTANT: Your reservation has been processed.

USER: Thanks for your kind service.

ASSISTANT: Thank you for choosing us.