Hi.
user
Hello, how may I best serve you today?
assistant
I want to change my existing reservation in the name of William Gonzalez. Can you help me in this?
user
Sure, please wait for a moment.
assistant
Ok.
user
Thanks for waiting, no reservation found with your name to change.
assistant
It's ok, not an issue,. Thank you for your information.
user
Thanks for opting us, have a nice day.
assistant