customer: Hello, I am James Lewis. 
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 customer: Due to sudden work, I need to change my reservation. Can you please help me with it? 
 agent: Sure, please wait for a while. 
 customer: Ok. 
 agent: Thanks for waiting, no flight reservation found with your name. 
 customer: Not an issue, thank you. 
 agent: Thank you for opting us.
agent: Hello, how can I help you today?