You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from DTW to JFK. Can you help me to book a flight ticket?

ASSISTANT: Sure, please share your planned travel dates?

USER: I want to travel in the flight on July 25 and July 27.

ASSISTANT: Do you have any connection limit?

USER: No.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: Brandon Lewis.

ASSISTANT: Spirit airlines flight 1027 available with connection and fare is 400, shall I confirm this business class flight?

USER: Proceed to booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.