customer: Hello. I am Dorothy Roberts. 
 agent: Hello Roberts, what help can I do for you? 
 customer: I want to travel for IAD.So, I want to book a ticket from LAX to IAD. Will you please help me in booking? 
 agent: Sure Roberts, please provide me your journey dates. 
 customer: My travelling dates are from 12/29 to 12/31. 
 agent: Ok, Please give me a moment, I will check the availability of flight on given date. 
 customer: Sure. 
 agent: Thanks for your patience Roberts, there is flight available on your given date, shall I reserve your ticket? 
 customer: Sure, proceed with the booking. 
 agent: Your seat has been reserved, Have a memorable journey. 
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 agent: It's our pleasure to serve you, Thanks for reaching us. 
 customer: My pleasure. 
 agent: Your flight number is 1022 and airlines is Spirit. 
 customer: Ok, thank you. 
 agent: Keep contacting us for your further bookings in future also, we are happy to serve you anytime.
customer: Thank you.