Hello.
user
Hello. How can I help you?
assistant
My name is Gregory Collins.
user
I hope your doing well Collins.
assistant
I planned a trip to New York, but unfortunately there is heavy snowfall in New York.
user
Ok.
assistant
So I want to change my existing reservation.
user
Sure, please wait let me check your reservation details.
assistant
Ok.
user
Sorry, there is no reservation found by your name.
assistant
That's ok, thanks for your information.
user
Thank you and have a nice day.
assistant