customer: Hi. 
 agent: Hello. 
 customer: Richard Jones here. 
 agent: How may I aid you today Jones? 
 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 wait a moment. 
 customer: Ok. 
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 customer: That's ok, thank you for your help. 
 agent: Thank you for reaching our service.
agent: Sorry, there are no active reservations with your given name.