customer: Hello. 
 agent: Hello, how may I give assistance to you? 
 customer: I want to change my reservation as my exams got preponed, can you please help me? 
 agent: Sure, may I know your name? 
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 agent: Please wait a minute. 
 customer: Ok. 
 agent: There is a no reservation found on your name. 
 customer: Ok, thanks for the information. 
 agent: Thank you for availing our agency.
customer: I am Brandon Turner.