customer: Hi. 
 agent: Hello, how may I assist you? 
 customer: I am Gregory Brown. I want to book a flight ticket t meet my friend at Washington, DC-IAD, can you book me a flight from Austin, TX-AUS? 
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 customer: Yes, my travelling dates are 01/27 and 01/29. 
 agent: How much you can afford for this ticket? 
 customer: I can pay up to 200. 
 agent: Unfortunately there is no flight on your route. 
 customer: That's fine, thank you for the information. 
 agent: Thank you.
agent: Sure, may I know your travel dates?