customer: Hello. 
 agent: Hello. How can I assist you today? 
 customer: I am John Roberts, want to cancel my recent reservation. Please help me with that. 
 agent: Ok, please wait for a minute. 
 customer: Sure. 
 agent: Sorry John, no reservation found on your name in our database. 
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 agent: Thank you for reaching us. 
 customer: Welcome.
customer: It's ok, thank you for your help.