customer: Hello. Donald Lopez here. 
 agent: Hello, how can I be in your service? 
 customer: I wan to attend a Seminar in Washington. Can you please help me for booking the flight ticket? 
 agent: Ok, I will be glad to assist you with that. May I know the airport codes to check? 
 customer: My airport codes are from LGA to DCA. 
 agent: Ok, please can you let me know your travel dates too? 
 customer: My travelling dates are from 09/15 to 09/17. 
 agent: Ok, please wait a moment. 
 customer: Make sure my connections limit is 1. 
 agent: Ok, I will check. 
 customer: Ok. 
 agent: Thank you for waiting, there is a flight with airfare 100 and the airlines is JetBlue. Can I book it? 
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 agent: Ok, the flight is been booked with 1 connecting flight limit as you needed. 
 customer: Thanks for helping me. 
 agent: Thank you for choosing our agency.
customer: Please proceed for booking the flight ticket.