customer: Hi, I am Jennifer Roberts. 
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 customer: Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Can you help me with this? 
 agent: Sure, give me sometime to check and get back to you. 
 customer: Ok. 
 agent: Thank you for your time. There is no reservation found matching your name. 
 customer: Ok, no problem. Thanks for your information. 
 agent: Thank you for choosing us.
agent: Hello, what can I do for you?