customer: Hello. 
 agent: Hello. May I know your good name? 
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 agent: How may I provide assistance for you, Stephen Brown? 
 customer: Due to some emergency problem, I need to cancel my reservation. 
 agent: Ok. 
 customer: Can you please help me? 
 agent: Sure, we are here to help you. 
 customer: Thank you. 
 agent:  Give a minute, I will check the previous list and let you know the details of it. 
 customer: Sure. 
 agent: Thank you for your valuable time. No reservation found on your name. 
 customer: No problem. Thank you. 
 agent: Thank you for reaching us, have a nice day.
customer: I am Stephen Brown.