Hello.
user
Hello, how can I assist you today?
assistant
I would like to spend some more days with my mother, please help me in changing my existing reservation.
user
Sure, please share your good  name?
assistant
My name is Rebecca King.
user
Please stand by.
assistant
Sure, take your time.
user
Thank you for waiting, there is no active reservation found with the given name.
assistant
Ok, no issues. Thank you for your information.
user
Thank you.
assistant