customer: Hello. 
 agent: Hello, do you need any help from us? 
 customer: Laura Hall here. I would like change my recent reservation as my exams postponed to next week, can you please help me with that? 
 agent: Sure, please allow me a moment. 
 customer: Thank you for accepting my request. Sure, take your time. 
 agent: Hall, there is no reservation matching with your name in our portal to make changes further. 
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 agent: You are welcome, have a great day.
customer: That's ok, no problem. Thank you for checking out.