customer: Hello. 
 agent: Hello, how can I amend you? 
 customer: I am Andrew Lee, would like to change an existing reservation because of my movie shoot was postponed. Will you check with reservation to change? 
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 customer: Sure. 
 agent: Thanks for waiting, there is no reservation found on your name. 
 customer: Ok, Thanks for the quick response. 
 agent: Thank you.
agent: Sure. Please wait for a  while.