customer: Hi. 
 agent:  Hello, how may I oblige you today? 
 customer: I am Brenda Turner. Please book a flight ticket on dates 04/25 and 04/27. 
 agent: Could you please help me with providing your corresponding airport codes? 
 customer:       Sure, my airport codes are LGA and OAK. 
 agent: There is a connected flight in Delta airlines with the fare 300. 
 customer:        Please proceed with booking. 
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 customer: Thank you for the help. 
 agent: Thank you.
agent: Your booking is done.