customer: Hello, Eric Rodriguez here. 
 agent: Hello, how may I help you? 
 customer: Can you help me in booking a direct flight from IAH to ORD? 
 agent: Can you please provide me your journey dates? 
 customer: My journey dates are 04/26 and 04/28. 
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 customer: Its ok, thank you for the information. 
 agent: Thank you for choosing us, have a good day.
agent: Eric, there are no flights available at this moment.