customer: Hello. 
 agent: Hello. 
 customer: I am Betty Walker. 
 agent: How can I help you? 
 customer: I want to book a flight ticket with a single connected flight in the month of June. Can you please help me to book a flight ticket from IAD - DTW? 
 agent: On which dates you like to travel? 
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 agent: There is a flight with single connection, can I proceed for booking in 1004 flight? 
 customer: Yes, please proceed with my booking. 
 agent: Your booking is done. 
 customer: Thank you for booking my flight ticket. 
 agent: Thank you for choosing us.
customer: My travelling dates are 06/21 and 06/23.