Hi.
user
Hello. May I know your good name, Please? How can I help you for the day?
assistant
I am Thomas Young. I want to change my existing reservation.
user
OK. We are very sorry to inform you that, There is no reservation found on Thomas Young.
assistant
Ok, not an issue. Thanks for your information.
user
Thank you, For making an inquiry with us regarding change reservation. Have a nice day.
assistant