You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Michael Rodriguez. Please book a ticket from PHX to DTW. My preferred dates are 08/24 and 08/26.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I got a direct flight with flight number 1000.

USER: Sorry, I want a flight ticket with fare 500. Please don't book the ticket. Fine, book the ticket.

ASSISTANT: Ok, your ticket was booked.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us.