Hello. I am Kenneth Smith.
user
Hello, how may I serve you today?
assistant
I had planned to go on a trip, but it was postponed. Can you change my recent reservation?
user
Sure, please wait for a while.
assistant
Ok.
user
Sorry Kenneth Smith, we could not find any reservation on your given name.
assistant
That's ok. Anyways, thank you for your help.
user
Thank you for choosing us.
assistant