customer: Hello. 
 agent: Hello. 
 customer: Rachel Martin here. 
 agent: Rachel, how may I guide you? 
 customer: Actually I booked a ticket to MSP for a interview, but due to a medical problem I'm unable to attend. Could you help me in changing my reservation to other planned dates? 
 agent: Hold on for a moment, let me check. 
 customer: Ok. 
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 customer: No problem. Thank you for your time. 
 agent: Thank you, have a good day.
agent: Rachel, I am sorry to inform you that there are no existing reservations with your name.