customer: Hello. 
 agent: Hello, What kind of help are you expecting from our side? 
 customer: I want to change my existing reservation due to postpone of my event. Can you please help me? 
 agent: Sure, I can change your reservation right now. Before that I need to know your good name please? 
 customer: I am Barbara Carter. 
 agent: Ok, wait for some time I will check the reservation on your name and get back to you. 
 customer: Sure. 
 agent: Thanks for remaining so positive, We are sorry to specify that there is no active reservation found on your name. 
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 agent: Thanks for approaching us, wish you a nice day.
customer: No worries, thank you for the information.