customer: Hello. 
 agent: Hello, how can I guide you for today? 
 customer: Can you help me to book a business class flight ticket? 
 agent: Can you please share on what dates you are willing to travel? 
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 agent: Can you please provide your source and destination airport codes? 
 customer: My airport codes are DEN and MSP. 
 agent: Do you have any airline preferences? 
 customer: I am comfortable with any airlines. 
 agent: Are you looking for a connecting flight or direct flight? 
 customer: I am looking for connecting flight. 
 agent: Do you have any other requirements that you are looking for? 
 customer: No, thanks for asking. 
 agent: Can you please provide your name to proceed further? 
 customer: My name is Thomas Scott. 
 agent: Sorry, there are no flights available at your request. 
 customer: No problem, thank you for the information. 
 agent: Thank you for contacting us, have a nice day.
customer: My travel dates are May 05 and May 07.