Hello.
user
Hello, how can I be your helping hand today?
assistant
 I am Mark King want to cancel my reservation due to heavy rains.
user
Ok, please wait for a while, I will check and revert you.
assistant
Ok.
user
We are sorry to inform you that, we did not find any reservation with your name.
assistant
 Thank you for your response.
user
Thank you for reaching us. Have a nice day.
assistant