customer: Hi. 
 agent: Hello. How can I hand helping to you? 
 customer: I am Jeffrey Collins want to attend a workshop at Denver, can you book a ticket from OAK to DEN? 
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 customer: Sure, my travelling dates will be 09/21 and 09/23. 
 agent: I found a 1 lay by in your journey in AA airlines, can I proceed with booking? 
 customer: Yes, proceed with my booking. 
 agent: Ok, the ticket booking is done in 1008 flight number. 
 customer: Thank you. 
 agent: Most welcome.
agent: Sure, can you please provide me the dates of your trip?