Hello.
user
Hello, how can I aid you this time?
assistant
I would like to change my existing reservation, can you help me in that?
user
Sure, please provide me your name to check your active reservation.
assistant
Sure, myself Joseph Carter.
user
Please wait for a while.
assistant
Sure, I will wait for your response.
user
We didn't find any reservation on your name.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you.
assistant