customer: Hi. 
 agent: Hello, how can I help you today? 
 customer: Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that? 
 agent: Sure, may I know your good name? 
 customer: I am Brandon Moore. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Sorry to say that, no reservation was found with your good name. 
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 agent: Thank you for reaching us.
customer: Ok, no issues. Thanks for the information.