You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you today?

USER: I want to visit Detroit for business meet, can you help me in booking a ticket?

ASSISTANT: Sure, can I know your journey dates?

USER: I want to travel on 08/28 and return on 08/30.

ASSISTANT: Please provide me your airport codes.

USER: I want to fly from PHX to DTW.

ASSISTANT: May I know your name for booking your ticket?

USER: Myself Michael Green.

ASSISTANT: Green, there is a flight with AA airlines, shall I proceed with booking your ticket?

USER: Yes, please.

ASSISTANT: Your ticket is booked successfully and your flight number is 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a safe journey.