Hi.
user
Hello.
assistant
I am Nicholas Thomas.
user
How may I guide you today?
assistant
I would like to change my recent reservation, as my painting competition got postponed?
user
Sure, I will help you with that.
assistant
Ok.
user
Please wait for a minute, I will get back to you.
assistant
Sure.
user
I am sorry to say that there is no reservation found under your name.
assistant
That's ok, thank you for checking.
user
Thank  you for reaching us.
assistant