customer: Hi. 
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 customer: I am John Rodriguez. As my interview is postponed, I want to change my reservation. Can you help me? 
 agent: Just a moment please. 
 customer: Ok. 
 agent: I am sorry there is no reservation found on your name. 
 customer: That's fine, thank you. 
 agent: Thank you for choosing us.
agent: Hello. How can I help you?