Hello.
Hello, how can I assist you today?
I want to change my existing reservation, can you please help me with this?
Sure, I will help you with that. Let me know your name to check your reservation?
I am Debra Nelson.
Ok, please wait a moment.
Sure.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
Ok, no problem. Thank you for your time.
Thank you for choosing us.