customer: Hello. I would like to visit Chicago, can you book a flight ticket? 
 agent: Hello, good morning. Sure, I will help you in booking your ticket. Let me know your travel details? 
 customer: My preferable dates are from 09/27 till 09/29. 
 agent: Can I know your airport codes? 
 customer: Book the flight ticket on Karen Hernandez. My location codes are from DEN to ORD. 
 agent: Sure, let me check. 
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 agent: Flight number 1008 of Southwest airline is available, shall I proceed with the booking? 
 customer: Please, proceed it. 
 agent: Sure, your ticket is confirmed in the name of Karen Hernandez. 
 customer: Thank you for your help. 
 agent: Thank you for reaching us, have a safe journey.
customer: Ok.