customer: Hello,. 
 agent: Hello, how may I help you? 
 customer: I am Brain Gonzalez want to give a surprise to my mom on her birthday. Can you be  my helping hand in booking a ticket from Denver to Los Angeles. 
 agent: Sure, we are here to help you. Could you please provide me your travelling details? 
 customer: Airport codes are CO- DEN to CA-LAX. 
 agent: May I know your journey dates? 
 customer: I want to leave on june/11 and return on june/13. Please make sure that the price should not be 500 with a single connection. 
 agent: We are happy to inform you that there is a flight found on your information. 
 customer: OK, please provide me flight details? 
 agent: Flight details are Flight number:1008, airline: Hawaiian with price limit 200 and one connection. Shall I proceed for booking? 
 customer: OK, confirm my booking. 
 agent: Your ticket has been confirmed. 
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 agent: Thank you.
customer: Thank you for your srvice.