customer: Hello. 
 agent: Hello. How may I assist you at this moment? 
 customer: I am Jonathan Mitchell from Denver. I want to go to Houston next month, can you please book a flight ticket for me? 
 agent: Sure, I am glad to help you. Can you please provide your planned dates of travelling? 
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 agent: Ok, may I know your origin and destination airport codes for booking? 
 customer: I want to fly from DEN and destination airport is IAH. 
 agent: Please wait a moment to check the flights availability. 
 customer: Ok. 
 agent: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Delta airlines. Shall I proceed with this? 
 customer: I am ok with this flight, please proceed. 
 agent: Ok, your ticket has been booked in flight number 1002. 
 customer: Thank you for your help. 
 agent: Thank you for approaching us, have a great journey.
customer: Thanks, I want to take off on 05/31 and book my return ticket also on 06/02.