customer: Hello, I am Charles Robinson. 
 agent: Hello, how can I support you for the day? 
 customer: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it? 
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 customer: Thank you. 
 agent: Sorry, no reservation found with your name. 
 customer: No problem, thank you for the information. 
 agent: Thank you for choosing us.
agent: Sure, I am here to help you.