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