customer: Hello. 
 agent: Hello. How can I help you? 
 customer: Myself Benjamin Edwards. I want to book a ticket from DEN to DTW. 
 agent: Can I know your travel dates? 
 customer: My trip dates are from 07/05 to 07/07. 
 agent: Ok. Sorry Edwards, there are no flights available on your request. 
 __ 
 agent: Welcome.
customer: Oik, thank you for your help.