customer: Hi. 
 agent: Hello. 
 customer: I am Steven Williams. 
 agent: How may I assist you? 
 customer: I would like to visit Oakland. Can you help me for booking a flight ticket from LAX to OAK? 
 agent: Sure, I am here to help you out. May I know your travelling dates please? 
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 agent: How much you can afford for airfare? 
 customer: My fare is 5000. 
 agent: Steven Williams, there are no flights available in your route. 
 customer: No issue, thank you. 
 agent: Thank you for reaching us.
customer: My journey dates are Apr 14 to Apr 16.