customer: Hi. 
 agent: Hello, How can I aid you? 
 customer: Owing to an emergency, my business trip got cancelled. So I want you to change my existing reservation? 
 agent: Ok. I will help you with that. Let me know your good name to check your earlier reservation. 
 customer: Sure, my name is Carolyn Anderson. 
 agent: Please wait for a while. 
 customer: Sure. 
 agent: Sorry, there is no reservation found with your name. 
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 agent: Thank you for choosing us. Have a nice day.
customer: Ok, no worries. Thanks for your assistance.