Hello.
user
Hello, how may I aid you?
assistant
I want to modify my reservation can you help me out in this?
user
Sure, I am here to help you. Could you please provide your name to check your reservation status?
assistant
Myself Pamela Miller.
user
Sorry to say, I did not find any reservation on your name.
assistant
That's ok, no problem.
user
Thank you for choosing us, have a nice day.
assistant
Thank you for your help.
user