customer: Hello,. I am Christine Turner. 
 agent: Hello, how may I help you today? 
 customer: I want to attend a seminar, but unfortunately it got postponed to some other day. Can you please change my existing reservation? 
 agent: Sure, please wait, I will check and get back to you. 
 customer: Sure. 
 agent: Thanks for waiting, there is no reservation found on your name. 
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 agent: Thank you choosing us. Have a nice day.
customer: Ok, no issue. Thank you for your service.