Hi.
Hello. Is there any help that I can assist you now?
I want to change my reservation, can you help me with that?
Sure, I will help you with that one.
Thank you.
Can I know your name for checking purpose?
Donna Anderson here.
 Thank you for waiting, I have checked in reservation list to change your ticket but could not find any reservation with your name.
Ok, thank you.
You are most welcome and thank you for consulting our agency.