customer: Hello. 
 agent: Hello. How may I help you today? 
 customer: Can you please help me in changing my existing reservation, as my football match got postponed to some other date. 
 agent: Sure, may I know your name? 
 customer: Brain Anderson here. 
 agent: Please hold a moment, let me check with your details. 
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 agent: Sorry, there are no active reservations on your name to change. 
 customer: No problem, thanks for your information. 
 agent: Thank you for choosing our service.
customer: Sure.