customer: Hello. 
 agent: Hello, How can I help you? 
 customer: I want to change my reservation, due to heavy rainfall in Seattle, can you help me in changing the reservation? 
 agent: Sure, May I know your name? 
 customer: I am Thomas Taylor. 
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 customer: That's ok, thank you for your information. 
 agent: Thank you for opting us.
agent: Sorry, No reservation found on your name.