You are a flight assistant. 
 USER: Hello, I am Stephen Wilson.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from DTW to PHX, can you please help me to book a flight ticket?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, my journey dates are Feb 14 and Feb 16.

ASSISTANT: Do you have any specifications to be met?

USER: I prefer a departure time at Afternoon. And I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of UA airlines, flight number-1008 fare-100 departure time - afternoon. Shall I proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.