customer: Hello. 
 agent: Hello, how can I be your helping hand today? 
 customer: Nicholas Evans here. I want to attend a seminar on machine learning with my cousin, could you book my ticket from IAD to HOU? 
 agent: Your travelling dates please? 
 customer: My trip dates are Jan 20 and Jan 22. 
 agent: Do you have any specifications? 
 customer: I want to return from HOU in the afternoon. 
 agent: You need connection flight or direct flight? 
 customer: I need a connecting flight. 
 agent: Here is a connecting flight with flight number 1021 and fare is 1000, providing ticket in economy class. Shall I proceed with booking? 
 customer: Please proceed. 
 agent: Your booking is done in Frontier airlines. 
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 agent: Thank you for choosing us.
customer: Thank you.