customer: Hi. 
 agent: Hello, how may I help you? 
 customer: Can you please book a flight ticket on dates June 14 and June 16? 
 agent: Sure, what are your airport codes please let me know? 
 customer: My airport codes are DEN and SFO. 
 agent: Do you have any preferences? 
 customer: I need a ticket in business class. 
 agent: May I know your name please? 
 customer: My name is Dennis Brown. 
 agent:  I have found a connecting flight with the fare of 900 provided by Frontier Airlines in business class. Are you ok with this flight? 
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 agent: Your flight ticket has been booked. 
 customer: Thank you. 
 agent: Flight number, 1010. Thank you for reaching us. 
 customer: Ok.
customer: Yes, please book a ticket.