Hello.
user
Hello. How can I aid you?
assistant
I want to change my existing reservation. Can you help me?
user
Sure, We are here to assist you.
assistant
Thank you.
user
May I know your name?
assistant
Yes, I am Barbara Anderson.
user
Give me a  minute.
assistant
Sure.
user
We found a reservation by this name. Can I know your updates travelling dates?
assistant
Ok, my planned trip dates are on Apr 30 and return on May 02.
user
May I know your airport codes?
assistant
Yes, my airport codes are from ORD to LAS.
user
Do you have any connection limit?
assistant
No, I don't have any connection limit.
user
There is a flight with your requirement, airline is United Airlines with price 300 and single connection. Shall I proceed with booking?
assistant
Ok, you can proceed with the ticket booking.
user
Your booking is done and flight number is 1012.
assistant
Thank you for your help.
user
Thanks for reaching us.
assistant