customer: Hello, I am Joseph Miller. 
 agent: Hello, how may I serve you now? 
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 agent: Sure, I will help you with cancellation. Please wait for a moment. 
 customer: Sure. 
 agent: Thank you for waiting, sorry there is no reservation found on your name in our system data. 
 customer: That's Ok, thanks for your information. 
 agent: Thank you for reaching us.
customer: I have made a reservation earlier to attend for a exams, due to some issues my exams has been cancelled. Can you help me to cancel my reservation?