You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight ticket from DTW to PHX?

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Let me know your journey dates?

USER: My trip dates are 11 to 13 of Oct.

ASSISTANT: Do you have any preferences?

USER: I would like to depart in the afternoon with a connecting flight.

ASSISTANT: Can I know your name?

USER: I am Virginia Parker.

ASSISTANT: Direct flight is found with Spirit airlines for price 200. Shall I book a ticket?

USER: Please proceed.

ASSISTANT: Ticket is booked having flight number 1012 which departs at 15:00 hours and arrives at 0:00 hours.

USER: Thanks for helping me.

ASSISTANT: Thank you.