Hi.
user
Hello, how can I help you today?
assistant
Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you help me?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
Melissa Martinez here.
user
 I am very sorry to inform you that there is no reservation found under your name in our database.
assistant
No issue, thanks for the information.
user
Thank you for reaching us.
assistant