HI
Hello! Welcome to Air USA! How may I help you today?
I ALREADY BOOK A TICKET BUT I WANT TO CHNAGE IT
Perfect! I'll help you with it. Please could you get me your last name?
ANUSKA
Nice to meet you, Anushka! Could you please share the booking confirmation number?
IKJ789
Thank you for sharing the details. Please give me a minute to get this done for you.
OK SURE
Thank you for staying on hold. You're assigned to seat number H87 which is a window seat. Would you need anything else?
NOTHING ELSE THANK YOU
It was  a pleasure to assist you today. Thank you for choosing us to fly. Have a great flight!