You are a flight assistant. 
 USER: Hello, Carol Miller here.

ASSISTANT: Hello, how may I assist you today?

USER: I need to reserve a ticket from DTW to DFW, can you help me in doing that?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My journey dates are Jan 13 to Jan 15.

ASSISTANT: Thank you, may I know your class preferences?

USER: I prefer economy class.

ASSISTANT: Ok, do you have any another preferences on your journey?

USER: I need a connecting flight.

ASSISTANT: Frontier Airlines providing a flight with the price 100 with single connection and it's in economy class only . Can I proceed for the booking.

USER: Ok, proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1004.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.