customer: Hello, I am Kathleen Davis. 
 agent: Hello, how can I serve you today? 
 customer: I am planing to visit parks and lakes in Washington, DC - IAD, can you help me with connecting flight? 
 agent: Sure, we can help you at your comfort. May I know your start and return dates of your travel? 
 customer: My travelling dates are from 09/14 to 09/16. 
 agent: Ok, may I know your origin airport code? 
 customer: My origin code is NV - LAS. 
 agent: 1023 numbered plane in Southwest airline is running on your route with a fare of 200. Are you comfortable with this? 
 customer: Yes, you can proceed with booking. 
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 customer: Thank you for the help. 
 agent: Thanks for opting us, have a nice day.
agent: Ok, your ticket has been booked successfully.