Hi.
Hello.
Justin Williams here.
Is there any help that you need from our agency?
 I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. can you please help me out with changing of my reservation?
Sure, I am happy to help you in that flight ticket modification. Please give me a moment.
Sure.
I am happy to say that you reservation found, can I know your modified travel dates?
I would like to take off on 12/24 and return on 12/26.
Can I know your airfield location codes?
My source airport code is LAS and destination airport code is AUS.
Please wait for a moment. According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by AA airlines. Shall I proceed with this?
Please confirm the booking.
Ok, the ticket booking is done in 1011 with a new flight for your journey. Enjoy your trip.
Thank you for your help.
You are most welcome.