Hello, I am David Lopez.
user
Hello, David Lopez, how can I aid you today?
assistant
As part of my schedule, I made a reservation earlier to attend for shopping. But, due to some health issues I was unable to attend. Can you help me to change my existing reservation?
user
Sure, we are happy to help you. Please hold on for a while, I will check the status and revert you.
assistant
Ok.
user
Thanks for your time, we are sorry to inform you that no reservation has found based on your name.
assistant
Ok, not an issue. Thanks for the quick response.
user
Thanks for connecting with us, have a great day.
assistant