customer: Hello. 
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 customer: Can you please help me to book a flight ticket from DTW to AUS? 
 agent: Can you give me your travel dates? 
 customer: My travelling dates are Mar 21 and Mar 23. 
 agent: Do you need any connections? 
 customer: I need a connecting flight. 
 agent: Do you have any other preferences? 
 customer: My class preference is business. 
 agent: May I know your name? 
 customer: My name is Kenneth Green. 
 agent: sorry to say that, there are no flights available with your details. 
 customer: No problem, thank you for your information. 
 agent: Thank you for reaching us.
agent: Hello. How can I help you?