Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation due to some family problems. Can you please help me with this?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
Sure, I am Katherine Lee.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
Ok, no problem.
user
Thanks for reaching us, have a nice day.
assistant
Thank you for the information.
user