customer: Hello. Myself Patrick Robinson. 
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 customer: I am looking for a flight form IAD to HOU. Will you help me in booking a flight ticket? 
 agent: Sure, we are here to help you. 
 customer: Thank you. 
 agent: Please provide your planned journey dates. 
 customer: My planned journey dates are from Mar 04 to Mar 06. 
 agent: Do you need a stopover in between your journey? 
 customer: No, I need a direct flight in my journey. 
 agent: How much you can afford for this ticket? 
 customer: I can afford  up to 200 with this ticket. 
 agent: Please wait a moment. 
 customer: Sure, I will wait for you response. 
 agent: Thank you for waiting. Sorry to inform you that no flights found on your requirements. 
 customer: Ok no problem. Anyway, thank you for the information. 
 agent: Thank you for reaching us. 
 customer: Thank you for searching.
agent: Hello, how may I serve you today?