customer: Hello, I am Mark Gonzalez. 
 agent: Hello, how best I can support you today? 
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 agent: Sure, let me know your return date please. 
 customer: I want to return on Oct 30. 
 agent: Ok, please share your preferences. 
 customer: Ok, I usually prefer connected flight. 
 agent: Ok, please wait. 
 customer: Ok. 
 agent: Thanks for your patience, we found a connecting flight with a fare of 200 and the departure time is 2:00 AM. Shall I proceed in economy class? 
 customer: Ok, please confirm. 
 agent: Ok, your ticket has been confirmed in 1024 Southwest airline and the arrival time is 16:00 PM. 
 customer: Ok, Thank you. 
 agent: Thank you for contacting us.
customer: Please book a ticket from IAD to HOU to attend Science festival. Can you please book a ticket on Oct 28?