Hello.
user
Hello. How may I help you?
assistant
I am John Moore, I would like to change my reservation, can you help me?
user
Ok, please wait for a while let me check your reservation status.
assistant
Sure, take your own time.
user
Thanks for your time, there is no reservation found in our database.
assistant
It's ok, thanks for your information.
user
Welcome, have a good day.
assistant