customer: Hello, Nancy Nelson here. 
 agent: Hello Nancy, how can I assist you today? 
 customer: My friend will not be available for my holiday trip, so I want to change my reservation. 
 agent: Sure, let me check for your reservation status in our website. 
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 agent: Sorry Nancy, I have not found any reservation by your name in our website. 
 customer: No problem, thank you for the information. 
 agent: Thank you for contacting us and have a nice day.
customer: Sure, take your time.