Hello.
user
Hello, how may I help you?
assistant
I am Katherine Parker. I need to change my existing reservation, Can you please help me with that?
user
Sure, I am here to help you. Please stand by.
assistant
Sure.
user
Thanks for your time, sorry no reservation found with your name.
assistant
Ok, no problem.
user
Thank you for choosing us, have a nice day.
assistant
Thanks for your information.
user