customer: Hello. 
 agent: Hello. How may I assist you? 
 customer: I need your assistance in changing my existing reservation. 
 agent: Sure, I am glad to help you. 
 __ 
 agent: Please help me with your name. 
 customer: My name is Kenneth White. 
 agent: Please hold on a moment. 
 customer: Sure, I will wait. 
 agent: Kenneth White, I have found your reservation. Can you please provide your airport codes? 
 customer: LAS and PHX are the respective in and out airport codes. 
 agent: May I know your planned travel dates please? 
 customer: February 4 and 6 are my planned travelling dates. 
 agent: May I know your airline preference? 
 customer: I am good with any airlines that has a break in the journey. 
 agent: Please hold on a moment. 
 customer: Sure, I will wait. 
 agent: I found an economy class in United Airlines with fare 100 and it has single connection. Can I book your ticket? 
 customer: Yes, please. 
 agent: Ok, your booking is confirmed with flight number 1020. 
 customer: Great! Thank you. 
 agent: Thank you for choosing us.
customer: Thank you.