customer: Hello. 
 agent: Hello. 
 customer: My name is Brandon Campbell. 
 agent: How can I assist you now? 
 customer: Can you please book me a plane ticket from LAX to HOU? 
 agent: Sure, I will help you with that. Can I have your travel dates please? 
 customer: Sure, my trip dates are from 08/26 to 08/28. 
 agent: Please wait a moment. 
 customer: Ok, take your time. 
 __ 
 customer: That's ok, thank you. 
 agent: Thank you for choosing us, have a good day.
agent: Sorry Campbell, no flight available to you.