customer: Hello, I am Amy Adams. 
 agent: Hello, how can I best assist you? 
 customer: As my tour got postponed I want to change my existing reservation, can you help me with it? 
 agent: Sure, I am here to help you. Please wait a moment. 
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 agent: Sorry there is no reservation found on your name. 
 customer: That's ok, thank you for the information. 
 agent: Thanks for choosing us. Have a great day.
customer: Ok.