customer: Hello. 
 agent: Hello. 
 customer: Helen Miller here. 
 agent: How can I assist you? 
 customer: I would like to book a flight on the route from LAS to BOS, please help me. 
 agent: Sure Helen, can I know the travel dates please? 
 customer: I will be travelling on the dates from 12/25 to 12/27. 
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 customer: Ok, take your time and revert back to me with available information. 
 agent: There is flight in Delta airline with price 100. 
 customer: You can proceed with confirming my reservation. 
 agent: Your ticket has been booked with flight number 1019. 
 customer: Thank you for helping me out. 
 agent: Thank you for approaching us. 
 customer: Most welcome.
agent: Ok, wait a moment please.