customer: Hello. 
 agent: Hello. How may I guide you today? 
 customer: I am planning to visit Houston Zoo with my friends on 02/09.Can you please help me out? 
 agent: Sure, I can help you on that. 
 customer: Thank you. 
 agent: Could you please provide your nearest airport codes for booking? 
 customer: Sure, my location is from NV-LAS and the nearest location is TX-IAH. 
 agent: Ok, may I know your preferable dates of travelling? 
 customer: The preferable dates are from 02/07 to 02/09. 
 agent: On whose name I have to book this flight ticket? 
 customer: The ticket should be on the name of Carolyn Edwards. 
 agent: Ok Edwards, please hold on a moment to check the availability of flights and I will revert you. 
 customer: Sure, take your time. 
 agent: Sorry to inform you, there are no flights available with your requested dates of travelling. 
 customer: Ok, no problem. 
 agent: Would you like to ask us anything else? 
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 agent: Ok, thank you for reaching us, have a great day.
customer: No, thank you for your information.