customer: Hello. 
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 customer: Can you book a connecting flight from OAK to DFW? 
 agent: I am here to help you in booking your flight ticket. Can you please provide your planned dates of journey? 
 customer: July, 12 and July, 14 are my travel dates. 
 agent: Do you have any preference about the connection limit for your journey? 
 customer: I prefer to connecting flight. 
 agent: Do you have any other requirement to met with for your journey? 
 customer: I need to return at evening time. 
 agent: Can you please provide your name for further proceeding? 
 customer: Andrew Baker here. 
 agent: Sorry to say this Andrew Baker, I am not able to find any flights which travels to your region. 
 customer: That's ok, no problem. Thank you. 
 agent: You are welcome, thank you for reaching us.
agent: Hello, how can I aid you for today?