customer: Hello. 
 agent: Hello, how can I assist you for the day? 
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 agent: Sure, I am here to help you. 
 customer: Thank you. 
 agent: May, I know your good name? 
 customer: Myself Jonathan Carter. 
 agent: Sorry, we found no reservation on your given name. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for reaching us.
customer: Please change my active reservation as my exams was postponed.