customer: Hello, I am Jerry Roberts. 
 agent: Hello Jerry Roberts, how may I aid you? 
 customer: I am planning to go for rainey street walk with my fiance.So, can you please book a flight ticket to Austin, AUS? 
 agent: Sure, I am glad to help you in booking a plane ticket. 
 customer: Thank you. 
 agent: Ok, can you please tell me your departure and arrival dates? 
 customer: My preferable dates of journey are 06/16 to 06/18. 
 agent: May I know your source airport code? 
 customer: I would like to board from Chicago, ORD. 
 agent: Ok, do you have any requirement related to connection limit? 
 customer: Yes, I need a lay by. 
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 customer: It's ok, no problem. Thank you for your information. 
 agent: Most welcome. Thank you for choosing our travel agency.
agent: Sorry for the trouble, there is no flight which is matching to your requirement in this route on the dates you have provided.