customer: Hello. 
 agent: Hello. 
 customer: I'm David Roberts. 
 agent: How can I assist you today? 
 customer: I would like to cancel my reservation due to emergency. Can you please help me with that? 
 agent: Sure, I am glad to aid you. Please be on hold let me check your name in our database to cancel it. 
 customer: Sure, take your time. 
 agent: Thank you for your patience. Sorry Roberts, there is no reservation found under your name in our database to cancel it. 
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 agent: Thank you for opting us.
customer: Ok, no issues. Thank you for checking.