customer: Hello. I am Emily Carter. 
 agent: Hello, how can I support you today? 
 customer: I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you aid me to change it? 
 agent: Sure, please give me a minute. 
 customer: Sure. 
 agent: Thanks for your time, we are sorry to inform you that no reservation was found based on your name. 
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 agent: Thank you for choosing us.
customer: Ok, not an issue. Thanks for your assistance.