customer: Hello. 
 agent: Hello. How may I assist you now? 
 customer: Can you aid me to book my ticket from DEN to HOU? 
 agent: Ok, may I know your planned dates for this journey? 
 customer: My travel dates are Nov 5 and Nov 7 respectively. 
 agent: May I know your good name please? 
 customer: Gary Scott here. 
 agent: May I know your specifications? 
 customer: Make sure that connection limit is single. 
 agent: Gary Scott, there is o flight currently available for your journey. Thank you for approaching us. 
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 agent: Have a nice day.
customer: No issue.