customer: Hello. 
 agent: Hello, how can I guide you for today? 
 customer: Will you please book me a flight ticket from DEN to AUS? 
 agent: Can you please share on what dates you are willing to travel? 
 customer: I will start on July 28th and return on July 30th. 
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 customer: I need 1 stop over. 
 agent: Do you have any class preferences? 
 customer: No. 
 agent: Do you have any other requirements that you are looking for? 
 customer: No, I am fine with above essentials. 
 agent: Can you please provide your name to proceed further? 
 customer: I am Sandra Taylor. 
 agent: Sorry, there are no flights available at your request. 
 customer: That's alright, thanks for your assistance. 
 agent: Thank you for contacting us, have a nice day.
agent: Are you looking for a connecting flight or direct flight?