customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: I need your help to book a flight from SFO to OAK. 
 agent: Sure, can you share me your trip dates? 
 customer: I want to depart on Sept 16 and intend to return on Sept 18. 
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 customer: Yes, I need a flight with single connection. 
 agent: Is there any other specifications? 
 customer: I prefer an normal-cost airline to travel. 
 agent: May I know your good name? 
 customer: Myself Brain Nelson. 
 agent: Sorry, no flights are available in this route as per your requested dates. 
 customer: Ok, not an issue. Thank you for the information. 
 agent: Thank you for reaching us.
agent: Do you have any connection limit?