customer: Hello. 
 agent: Hello, how may I help you? 
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 agent: May I know your trip dates? 
 customer: My travelling dates are 14 and 16 of Feb. 
 agent: Do you have any other preferences? 
 customer: I prefer to travel in the economy class with a connecting flight. 
 agent: May I know your name? 
 customer: I am Alexander King. 
 agent: There is a flight of Hawaiian airline, flight number 1005 with the fare of 200. Can I proceed? 
 customer: Proceed to booking. 
 agent: Your ticket has been booked. 
 customer: Thanks for helping me. 
 agent: Thank you for reaching us.
customer: Can you help me to book a flight ticket from DEN to SEA?