customer: Hi. 
 agent: Hello, how may I help you? 
 customer: I want to change an existing reservation due to an emergency, can you please help me? 
 agent: Sure, may I know your name? 
 customer: Sure, my name is Virginia Williams here. 
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 customer: Sure, I will wait. 
 agent: Sorry, there are no active reservations on your name to change. 
 customer: Ok, not an issue.Thank you for your information. 
 agent: Thank you for reaching our service.
agent: Please wait a moment.