Hello.
user
Hello, how may I aid you today?
assistant
I am Nicholas Harris. I would like to change my recent reservation because my trip dates are postponed, can you help me?
user
Sure, we are happy to help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Sorry to say that, there is no active reservation found on your name.
assistant
It's ok, not a problem.
user
Thank you for communicating with us.
assistant