You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: William Phillips here.

ASSISTANT: OK.

USER: I would like to book a ticket from DTW to DEN, can you please help me with that?

ASSISTANT: Sure, I can help you better. May I know your planned travel dates to search a flight for you?

USER: The travel dates are from 11/08 to 11/10.

ASSISTANT: 1021 flight number, airfare is 200 and connection limit is one in Spirit airlines is matching your schedule. Would you like me to proceed?

USER: You can proceed with booking.

ASSISTANT: Ok, your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.