customer: Hello. 
 agent: Hello. 
 customer: I am Edward Wilson. 
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 customer: My scheduled examination dates has been postponed, could you please help me with changing my recent reservation? 
 agent: Ok. Sorry to inform you that there is no reservation found on your name. 
 customer: That's ok, not an issue. 
 agent: Thank you for reaching us. 
 customer: Thank you for the information.
agent: How can I assist you?