Hello.
user
Hello. How exactly can I serve you  at this moment?
assistant
I am Benjamin Smith, I want to cancel my recent reservation due to cancel of my interview.
user
Ok. Please hold on, I will revert you.
assistant
Sure.
user
Thanks for waiting. No reservation found on your name to cancel.
assistant
Not an issue, thank you for your help.
user
Thank you for picking us. Have a nice day.
assistant