Hello.
user
Hello, how can I help you?
assistant
Myself Karen Clark, can you help  me to cancel my existing reservation?
user
Sure, I am here to help you. Let me check your reservation status.
assistant
Ok, I will wait.
user
Clark, I have not found any reservation under your name in our database.
assistant
That's ok, not a problem. Thank you for searching.
user
You are welcome and thank you for contacting us.
assistant