customer: Hello. 
 agent: Hello, how can I amend you today? 
 customer: I made a reservation earlier to go for shopping in Houston, but it has been cancelled. Can you please change my reservation? 
 agent: Ok, may I know your name to track your details? 
 customer: Sure, I am Pamela Walker. 
 agent: Ok, please be on hold. 
 customer: Sure. 
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 customer: Ok, Thank you for providing information. 
 agent: Thank you for consulting us.
agent: Thank you for being on hold, no reservation was found on your name in our database.