Hello.
user
Hello, how may I help you today?
assistant
 I am Ruth Gonzalez want to cancel my reservation owing an emergency. Can you help me in cancelling?
user
Please wait for a while, I will check and revert to you.
assistant
 Ok.
user
Sorry Ruth, there is no reservation found with your given name.
assistant
Thank you for your help.
user
Thank you for choosing us.
assistant