Hello.
user
Hello. How can I aid you?
assistant
Barbara Clark is my name. My plan to visit a function has been cancelled due to some issues. Will you help me in this cancellation?
user
Sure, We are help to assist  you. Please wait a while.
assistant
Ok, I will wait.
user
Thanks for your time. We didn't found any reservation by this name.
assistant
No worries. Thank you for your help.
user
Thank you for picking us.
assistant