customer: Hello. 
 agent: Hello, how may I best oblige you today? 
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 agent: Sure, we are ecstatic to help you. 
 customer: Thank you. 
 agent: Can I have your name to trace your details? 
 customer: Sure, you can trace my status on the name of Katherine Baker. 
 agent: Please wait for a moment, I will check the reservation list and notify you. 
 customer: Sure. 
 agent: Thank you for waiting, we are sorry to say that no reservation was found based on your name. 
 customer: That's Ok, thanks for your information. 
 agent: Thank you for choosing us.
customer: Due to relocation of my fashion show computation, I need to change my existing reservation. Can you aid me to change my recent reservation?