customer: Hello. 
 agent: Hello. 
 customer: Gary Harris here. 
 agent: How can I aid you at this moment? 
 customer: I want to travel from DEN to SFO for attending a seminar. Can you please help me for booking the flight ticket? 
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 customer: My travelling dates are from 10/20 to 10/22. 
 agent: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route. 
 customer: Ok, I will wait. 
 agent: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Spirit airlines. Shall I proceed with this? 
 customer: Please proceed for booking the flight ticket. 
 agent: Your flight ticket is booked successfully, flight number is 1000. 
 customer: Thanks for helping me. 
 agent: Thank you for contacting us.
agent: Sure, I will help you  in booking flight ticket. May I know your travel dates for booking flight ticket?