Hello.
Hello, how can I help you today?
I just want to change my existing reservation. Can you please help me to change it?
Sure, Let me know your name to check your reservation?
Sure, Charles Edwards is my name.
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, that's not a problem. Thanks for your information.
Thank you for choosing us.