customer: Hello, I am Mary Evans. 
 agent: Hello, how may I help you today? 
 customer: I would like to change my existing reservation as my plan to attend a conference got postponed. 
 agent: Ok, may I know your new journey details please? 
 __ 
 agent: Ok, hold on a moment I will get back to you. 
 customer: Ok. 
 agent: Thanks for holding on, flight 1006 with Jetblue airlines matches your preferred details. The price is 100 with 1 connection. Shall I proceed? 
 customer: Proceed for booking with this airline. 
 agent: Ok, your ticket has been confirmend. 
 customer: Ok, thank you for your service. 
 agent: Thanks for choosing us, have a great day.
customer: I want to start from Detroit, MI -DTW on 03/25 to Boston, MA - BOS. And I like to catch a return flight on 03/27.