customer: Hello. 
 agent: Hello. How can I help you today? 
 customer: I am planning to attend music concert at IAD, can you please help me with booking a flight ticket from DFW? 
 agent: Sure, I am here to help you with that. Can you please share your respective travel dates? 
 customer: I would like to take off on June 7 and return on June 9. 
 agent: May I know your name please? 
 customer: My name is Paul Rodriguez. 
 agent: Do you have any class preference? 
 customer: I would like to depart during afternoon time. 
 agent: Can I know your connection limit? 
 customer: I am looking for a connecting flight. 
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 customer: I don't have any other specification. 
 agent: There are no flights found on this route as per your travel dates. 
 customer: Ok, no issues. Thank you for checking. 
 agent: Thank you for reaching us, have a great day. 
 customer: You are welcome.
agent: Do you have any other specifications?