customer: Hello,. 
 agent: Hello, how may I oblige you today? 
 customer: I am Paul Brown. Due to sudden changes in the dates of summit which was going to be held in the place. Could you please help me with cancellation? 
 agent: Sure, could you please hold a moment, let me check your reservation. 
 customer: Ok. 
 agent: Thanks for your time, sorry, unfortunately no reservation found with provided name. 
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 agent: Thanks for your interest, have a pleasant day. 
 customer: Thank you for your response.
customer: Ok, no issue.