customer: Hello. 
 agent: Hello, how may I assist you? 
 customer: I'm Janet Thomas. I want to cancel my reservation, can you help me out? 
 agent: Sure, just wait a while to check. 
 __ 
 agent: Sorry Thomas, unfortunately there is no reservation found under your name in our database. 
 customer: Thank you for your immediate reply. 
 agent: Thank you, have a good day.
customer: OK.