Hello, I am Margaret Davis.
user
Hello, how shall I support you today?
assistant
Due to my health problem I need to change my reservation, can you please help me to change my reservation?
user
Ok, Please wait for a while.
assistant
Ok.
user
Thank you for waiting, we did not found a reservation on your name to change.
assistant
Ok, thanks for your information.
user
Thank you for approaching us.
assistant