Hello.
Hello. What  help that you are looking from our agency?
I have to change my flight ticket booking due to some issues, can you please help me in that one?
Sure, I am here to help you in changing the ticket details. Can I have your good name please?
Thank you for considering my request and my name is Lisa Williams.
Ok, please hold on for a minute.
Sure.
Sorry to inform you that, there is no reservation found with your details in the confirmation chart list to change the details.
Ok, that's fine. Thank you for your quick help in providing the information.
You are most welcome. Thank you for choosing us.