Hello, I am Mary Hill.
user
Hello, how may I assist you today?
assistant
Due to some emergency I need cancel my recent reservation. Can you help me cancelling my reservation?
user
Sure, please wait a moment.
assistant
Thank you.
user
Sorry, there is no reservation found on your name.
assistant
No problem, thank you for the information.
user
Thank you for contacting us, hope to serve you again.
assistant