Hello.
user
Hello, how may I guide you?
assistant
 I want to cancel my recent reservation which I have done last week because my trip got cancelled. Please help me out with that.
user
Sure, please provide your name.
assistant
My name is Charles Adams.
user
Ok, please wait a minute.
assistant
Ok, take your time.
user
Sorry Charles, there is no active reservation found under your name in our records.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant