customer: Hello. Larry Jones here. 
 agent: Hello Larry, how can I assist you today? 
 customer: Due to sudden change in planned date of hang out trip, I would like to change my reservation. Can you please help me out with changing of my reservation? 
 agent: Sure, please wait for a moment. I will check your reservation status in our database. 
 customer: Sure, take your time. 
 agent: Sorry Larry, I have not found any reservation by your name. 
 customer: Oh! I think the ticket was not booked properly while I am booking. Anyways, thank you for the information. 
 __ 
 customer: Welcome.
agent: Thank you for choosing us and have a nice day.