customer: Hi. 
 agent: Hello, how can I help you? 
 customer: I need to book a ticket from MSP to DEN. Could you book a ticket? 
 agent: Sure, please share me your travelling dates? 
 customer: Travelling dates are from Apr, 17 to Apr, 19. 
 agent: Do you have any class preference? 
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 agent: Is there any connection limit? 
 customer: I prefer connecting flight. 
 agent: May I know your name? 
 customer: My name is Charles Collins. 
 agent: Sorry, there were no flights with your given details. 
 customer: Thank you.
customer: I am comfortable with any class preference.