customer: Hi. 
 agent: Hello, how can I help you today? 
 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, I am here to help you with that, can I know your good name to proceed further? 
 __ 
 agent: Thank you. Please be online for a while. I will check your reservation status and get back to you. 
 customer: Ok. 
 agent: I am sorry to say you that there is no reservation found under your name in our database. 
 customer: That's ok, thank you for your help. 
 agent: Thank you for reaching us.
customer: Ronald Nelson here.