customer: Hello. 
 agent: Hello, how may I help you? 
 customer: My scheduled examination dates has been postponed, could you please help me with changing my recent reservation? 
 agent: Sure, please wait for a while. 
 customer: Sure, take your time. 
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 customer: My reservation was done under the name Samantha Roberts. 
 agent: Sorry, there is no active reservation found with your name in our records. 
 customer: Ok, not an issue. Anyways, thank you for the information. 
 agent: Most welcome.
agent: Can I know your name please?