customer: Hello. 
 agent: Hello, how may I oblige you today? 
 customer: Can you please help me in changing my previous reservation? 
 agent: Sure, may I know your good name? 
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 agent: Ok, please wait for a minute. 
 customer: Sure. 
 agent: Thanks for waiting, there is no active reservation found on your name. 
 customer: It's ok, thank you. 
 agent: Thank you for choosing us.
customer: Myself Donald Edwards.