customer: Hello, Alexander Evans here. 
 agent: Hello, how may I help you? 
 customer: I would like to visit botanical gardens at Denver, can you help me in booking a ticket from SEA to DEN? 
 agent: Can I have your planned dates please? 
 customer: My preferred journey dates are 11/03 and 11/05. 
 agent: I found a flight for you in UA airlines with price 100. Can I book your ticket? 
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 agent: Ok, your ticket has been booked with flight number 1000. 
 customer: Thank you for your service. 
 agent: Thank you for choosing us.
customer: Please book the ticket.