customer: Hello. 
 agent: Hello. How can I help you? 
 customer: Will you please reserve me a flight ticket from DEN to LGA to go for holiday trip? 
 agent: Let me know your travel dates. 
 customer: My planned journey dates are Dec 24 and Dec 26. 
 agent: Do you have any preference? 
 customer: I need a direct flight. 
 agent: Can I know your name/. 
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 agent: Sorry, no flights found for your travelling dates. 
 customer: Ok, no problem. 
 agent: Thank you. 
 customer: Thank you for the information.
customer: My name is Elizabeth Miller.