customer: Hello. 
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 customer: I would like to visit Houston as a round trip, please book a ticket from IAH to IAH. 
 agent: Sure, I am mirthful to help you. May I know your travel dates please? 
 customer: I would like to travel on 01/08 and return on 01/10. 
 agent: Ok, hold on for a moment. Let me check the best flight for you. 
 customer: Sure, take your time. 
 agent: I found a flight for you with Delta airline and it costs you 100. Shall I proceed? 
 customer: Ok, please book the ticket with the name Patrick Johnson. 
 agent: Your ticket has been booked with 1011 flight number Johnson. 
 customer: Thank you for your help. 
 agent: Welcome, thank you for choosing us. Have a safe flight.
agent: Hello, how may I assist you?