Hello,.
Hello, how may I help you?
I want to change my recent reservation as my joining date got postponed. Can you help me in changing?
Please let me know your name.
My name is Amanda Phillips.
Reservation found. Please provide your travelling codes.
My journey points are New York, EWR to Philadelphia, PHL.
May I know your travel dates?
My travelling dates on 03/03 and 03/05.
Flight ticket can be booked with airline Delta for price 100. Flight number is 1001 with connections 1.
Ok, please proceed.
Your ticket is booked.
Thank you for your  help.
Thanks.