HI
Good morning! You've reached Flamingo customer services. How may I help you today?
I ALREADY BOOKED THE TICKET, NOW I CHANGED THE SEAT FOR ALREADY BOOKING SEAT
Definitely! I'd be glad to help you with that. Could you please help me with your last name and your booking confirmation number?
NAME: DIVYA TG34F3
Alright! Could you please help me with your preference on the seat? (aisle/middle/window)
R4
Am sorry, I've haven't got your last response, may I know which would you prefer- aisle/middle/window.
MIDDLE
Thank you for that! Could you please allow me a moment, while I check for the availability?
Ok, I wait for your information.
Fantastic! I've gone ahead with your request and here is your new seat  number i.e H21 which is a middle seat, hope that will be comfortable.
OK
Great! May I confirm if all your questions have been answered for the day
OK HAVE A NICE DAY
Lovely! Thank you for visiting us, wish to serve you again. Have a safe flight!