customer: Hello. I am Dorothy Thomas. 
 agent: Hello Thomas. How can I assist you? 
 customer: Please help me in booking my ticket from ATL to JFK. 
 agent: Sure, can I know you travel dates? 
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 agent: The flight 1006 of UA airlines is available on your request. Shall I proceed? 
 customer: Ok, please proceed with the booking. 
 agent: Thomas, your ticket is booked successfully. 
 customer: Thank you for your help. 
 agent: You are welcome.
customer: I want to start on 12/25 and want to return on 12/27.