customer: Hi. I am Anna Lewis. 
 agent: Hello, how can I assist you? 
 customer: I want to book a flight ticket to participate in a cultural fest at IL-ORD on 09/07. Can you help me? 
 agent: Sure, please provide your return journey date. 
 customer: 09/09 will be my return. 
 agent: Please share your origin airport code. 
 customer: NV-LAS will be my origin. 
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 customer: I need a connecting flight. 
 agent: Unfortunately, there is no flights based on your details. 
 customer: No issue. Thank you. 
 agent: Thank you for choosing us.
agent: Please share your specifications.