customer: Hi, I am Mark Jones. 
 agent: Hello, how can I help you? 
 customer: Owing to an emergency, my boxing championship has been postponed. So I have a request to you to change my existing reservation? 
 agent: Sure, wait for some time. 
 customer: Sure. 
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 customer: Ok, no issues at all. Thanks for your assistance. 
 agent: Thanks for choosing us.
agent: Thanks for waiting there is no reservations found on your name.