customer: Hi, Stephen Perez here. 
 agent: Hello Stephen, how can I assist you? 
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 agent: Ok stephen, please hold on for a moment. 
 customer: Ok. 
 agent: Sorry for the inconvenience stephen, we could not find a flight with your matching requirements. 
 customer: Ok, that's fine. Thank you for your response. 
 agent: You are welcome. Have a nice day.
customer: I want to book a ticket from AUS to HOU on the dates 06/13 to 06/15. Could you please help me out?