customer: Hello, I am Donald Green. 
 agent: Hello, how can I help you? 
 customer: I want to visit Austin Children's Museum with my children in Austin. Can you help me for booking on 04/27? 
 agent: Sure, I am happy to help you. From where do you want to start your journey? 
 customer: Ok, I want to start my journey from San Francisco, SFO. 
 agent: Ok, please provide your return date. 
 customer: I have a plan to return on 04/29. 
 agent: Ok, May I know your destination airport code? 
 customer: My destination Austin airport code is AUS. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Thank you for waiting, we found a Southwest plane with flight number 1012. Shall I proceed for booking with a fare of 200? 
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 agent: Sure, your ticket has been booked. 
 customer: Thanks for your kind response. 
 agent: Thank you for choosing us.
customer: I am ok with Southwest airline, you can proceed for booking.