Hello.
Hello, how can I help you today?
I want to change my existing reservation, can you please help me with that?
Sure, Let me know your name to check your reservation?
My name is Karen White.
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.
Not an issue, thank you.
Thank you for choosing us.