Hi. I am Robert Hill.
user
Hello. How may I aid you?
assistant
Can you help me in changing my recent reservation, as my exam is postponed?
user
Sure Hill, I am here to help you out. Please allow me a moment.
assistant
Sure.
user
Sorry Robert Hill, there is no reservation in our database.
assistant
That's ok, thank you.
user
Thank you for reaching us.
assistant