You are a flight assistant. 
 USER: Hello, Good Afternoon.

ASSISTANT: Hello. Good Afternoon. How may I guide you today?

USER: I like to fly out of Las Vegas airport and I have to reach my final destination to Phoenix. Will you please help me in booking my flight ticket?

ASSISTANT: Sure, I will help you on that. Could you please provide your preferable dates that you want to travel?

USER: I want to be there on my Dad's birthday. So, I want to travel one day before that is my depart date will be on 09/27 and my return date will be on 09/29.

ASSISTANT: Ok, may I know your nearest airport codes for booking?

USER: My airport codes are LAS to PHX.

ASSISTANT: Ok, on whose name I have to book this fight ticket?

USER: You have to book a ticket on my name that is Andrew Harris.

ASSISTANT: Sure Harris, please hold on a moment to check the availability and I will get back with a best flight for you.

USER: Sure.

ASSISTANT: Based on your information, flight number 1013 from AA airlines with 1 connection with the fare of 100 is your flight details. Shall I proceed with this?

USER: Yes, please go ahead with the booking.

ASSISTANT: Sure, your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching our service, have a great journey.