customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation, Can you please help me in this? 
 agent: Sure, I will help you. May I know your name please? 
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 agent: Ok, please wait for a while. 
 customer: Ok. 
 agent: Sorry Robert, there is no active reservation found with your name in our records. 
 customer: It's ok, thank you. 
 agent: Most welcome.
customer: Myself Robert Edwards.