customer: Hello. 
 agent: Hello. How can I  help you? 
 customer: Charles Wilson here. I would like to book a ticket from SFO to DFW. 
 agent: Your travelling dates please? 
 customer: My itinerary travel dates are as follows July 02 and July 04. 
 agent: Do you have any specifications? 
 customer: Yes, I would like to board on single connection flight and return time should be in the afternoon. 
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 customer: No problem, thank you for the time and information. 
 agent: Thank you for choosing us.
agent: I am sorry no flights found on your route.