Hello, Catherine Gonzalez here.
user
Hello, how may I assist you?
assistant
Due sudden change in my trip, I want to change my reservation. Can you do this for me?
user
Sure, please wait for a moment.
assistant
Ok.
user
Sorry Catherine, there is no reservation is found as per your name.
assistant
Ok, not an issue. Thank you for the information.
user
Thank you. Have a nice day.
assistant