customer: Hi. Nicole Roberts here. 
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 customer: I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. can you please help me out with changing of my reservation? 
 agent: Sure, please allow me a moment. 
 customer: Ok. 
 agent: Sorry, there is no reservation matching with your name in our portal to make changes. 
 customer: That's ok, thank you for your help. 
 agent: Thank you for choosing us, have a great day.
agent: Hello, do you need any help from us?