customer: Hello. 
 agent: Hello. 
 customer: Myself Scott Collins. 
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 customer: I just want to change my existing reservation Because my seminar was postponed can you help me for that? 
 agent: Unfortunately there is no reservation found under your name. 
 customer: Ok, that's fine. 
 agent: Thank you for reaching us. 
 customer: Thank you for your services. 
 agent: Have a great day.
agent: How can I help you?