customer: Hi. 
 agent: Hello, how can I help you today? 
 customer: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation? 
 agent: Sure, I am here to help you. May I know your name? 
 customer: I am Sandra Allen. 
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 customer: Not a problem, thank you for the information. 
 agent: Thank you for reaching us.
agent: Sorry, we found no reservation on your given name.