Hello.
user
Hello. How can I help you?
assistant
I want to do some changes in my existing reservation because my friends are not able to come on the those dates, can you please help me?
user
Sure, may I know your new airport codes please?
assistant
I want to fly from OAK to JFK.
user
Please provide your travelling dates and name, for further proceeding.
assistant
My trip dates are 10/18 and 10/20. Myself Michael Collins.
user
Thank you for providing your details, I found a flight with your details in UA airlines.
assistant
You can book it.
user
Your ticket is booked with 1001 flight number.
assistant
I appreciate your work, thanks for booking.
user
Welcome.
assistant