customer: Hello. 
 agent: Hello. How can I help you? 
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 agent: Sure, wait for a minute. 
 customer: Ok. 
 agent: Sorry Kenneth, no reservation found on your name. 
 customer: It's fine. 
 agent: Thank you for reaching us. 
 customer: Anyway, thank you for your information.
customer: I am Kenneth Thomas. My trip has been postponed, can you change my reservation?