Hello.
user
Hello, how may I serve you?
assistant
I would like to  cancel my recent reservation due to cancel of my seminar. Can you please help me?
user
Sure, will you please let me know your name?
assistant
Sure, I am Betty Brown.
user
Ok, please wait.
assistant
Sure.
user
Thanks for waiting, we could not find any reservation on your name in our data base.
assistant
No worries, thank you for the information.
user
Thank you for reaching us.
assistant