customer: Hi. 
 agent: Hello. How can I assist you today? 
 customer: I want to book the flight ticket from DTW to LAS. Can you please help me? 
 agent: Sure, will you mention your travelling dates please? 
 customer: My travel dates are Oct 18 and Oct 20. 
 agent: Do you have any preferences about flight connections? 
 customer: I am willing to travel in a single connecting flight. 
 agent: Do you have any preferences about class? 
 customer: No. 
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 customer: Ryan Campbell. Please ensure that my return time should be in the afternoon. 
 agent: There is no flights found under your preferable details. 
 customer: Ok, thank you for the information. 
 agent: Welcome, have a great day.
agent: Please mention your name.