Hello.
user
Hello, may I know your name?
assistant
Kevin Green is my name.
user
How can I assist you?
assistant
I need to change my existing reservation. Because my engagement has been preponed. Can you change my reservation.
user
Please wait for moment, I will check the availability of reservation on your name and revert you.
assistant
Sure.
user
Thank you for waiting, unfortunately no reservation found on your name.
assistant
No problem. Thanks for your information.
user
Thank you for reaching us.
assistant