Hello, my name is Ronald Allen.
user
Hello. How may I render you today?
assistant
I would like to change my existing reservation as my plan to go on a trip got postponed. Can you help me with it?
user
Sure, just a moment I will check the reservation list.
assistant
Sure.
user
Thanks for waiting, sorry to say this there is no reservation found on this name.
assistant
It's ok, thank you for the information.
user
you're welcome. We are glad to serve you again.
assistant