customer: Hi. I am Dorothy King. 
 agent: Hello, how may I aid you today? 
 customer: Can you help me to book a flight from OAK to DFW? 
 agent: Sure, please share me your travel dates. 
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 agent: Do you need any preferences? 
 customer: I need a connecting flight. 
 agent: Ok, please wait for a while. 
 customer: Ok. 
 agent: We found a Delta airline and 1019 is flight number with a fare of 200. Shall I proceed? 
 customer: Proceed with booking. 
 agent: Your ticket is confirmed with an economy class. 
 customer: Thank you. 
 agent: Thank you for approaching us.
customer: My travelling dates are Mar 20 and 22.