You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: Please help me to book a flight ticket from DTW to ORD.

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: My trip dates are from July, 12 to July, 14.

ASSISTANT: Can you please provide your name for booking purpose?

USER: My name is Amanda Scott.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need a direct flight.

ASSISTANT: Do you have any other requirements for your journey?

USER: No.

ASSISTANT: There is a direct flight on your route which departures in the afternoon having a ticket fare of 600 by Frontier airlines. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: I have booked your flight ticket with the flight 1007 in a business class.

USER: Thank you for booking.

ASSISTANT: You are welcome, thank you for choosing our service.