Hello.
user
Hello, how may I serve you today?
assistant
I am Rebecca Hall, due to sudden reform in my plan I would like to alter my existing reservation.
user
Ok, please wait for a minute.
assistant
Ok, sure.
user
Sorry, there is no reservation found on your name.
assistant
Oh! so sad. Thank you for the information.
user
Thank you for reaching us.
assistant
You are welcome.
user