customer: Hello. 
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 customer: Please change my existing reservation due to some health issues? 
 agent: Sure, I am here to help you. May, I know your good name? 
 customer: Sure, I am Kenneth Hernandez. 
 agent: Sorry, we found no reservation on your given name. 
 customer: Ok, not an issue. Thank you for your information. 
 agent: Thank you for reaching us.
agent: Hello, how can I assist you for the day?