customer: Hi. 
 agent: Hello, how may I aid you today? 
 customer: I would like to prefer a normal-cost airline for my business trip to Oakland. So can you book the flight ticket for me? 
 agent: Sure, please share me your trip dates. 
 customer: The trip dates are from 05 Nov to 07 Nov. 
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 customer: The airport codes are from MSP to OAK. 
 agent: For booking, we need your good name. Please mention it. 
 customer: I am Carol Martin. 
 agent: Do you need direct flight or connecting flight? 
 customer: I prefer a stopover flight. 
 agent: Is there any time concern for you? 
 customer: No. 
 agent: We found a UA airline and 1020 is flight number with a fare of 100. Shall I proceed? 
 customer: You can book it. 
 agent: Your ticket is confirmed with an economy class. 
 customer: Thank you. 
 agent: Thank you for opting us.
agent: May I know your airport codes?