customer: Hello. 
 agent: Hello. How may I aid you? 
 customer: Stephen Robinson here.  I would like to book a ticket from BOS to SFO. 
 agent: Sure, can you please share your travel dates? 
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 agent: Do you have any connection limit? 
 customer: No, I have none. 
 agent: May I know your airline preference? 
 customer: No, but I want my return time in the morning. 
 agent: Ok, do you have any other requirements? 
 customer: No. Thank you for asking. 
 agent: Sorry, there are no flight as per your travelling details. 
 customer: No problem, thank you for asking. 
 agent: Thank you for choosing us.
customer: My travel dates are Nov 03 and Nov 05.