customer: Hello. 
 agent: Hello. How may I aid you? 
 customer: Sharon Wilson here. I want to attend my office meeting. Can you book my ticket from HOU -LAX? 
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 customer: My journey dates are April 17-19. 
 agent: Please wait. 
 customer: Sure. 
 agent: Thanks for waiting. But I am sorry to say that there are no flights available. 
 customer: No issues, thank you for the information.
agent: Sure, tell me your travel dates please?