Hello, I am Stephanie Carter.
user
Hello, how may I help you?
assistant
As the appointment with doctor got rescheduled, I want to change my existing reservation. Can you please help me in changing?
user
Sure, please wait a moment a moment I'll check the details of your reservation and get back to you.
assistant
Ok.
user
Sorry to say, I didn't found any details regarding your reservation in my database.
assistant
It's ok, thanks for the information.
user
Thanks for reaching us. Have a nice day.
assistant