customer: Hi. 
 agent: Hello. 
 customer: I am Sharon Hill. 
 agent: How can I help you? 
 customer: Please search flights on these dates 12/25 and 12/27? 
 agent: Sure Hill, can I know the travelling codes please? 
 customer: My airport codes are DFW to LAS. 
 agent: Ok, wait a moment please. 
 customer: Provide flight with connection 1. 
 agent: Sorry Hill, there are no flights on your dates. 
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 agent: Thank you for approaching us. 
 customer: Thank you for your services.
customer: Oh! No problem.