Hello.
user
Hello.
assistant
I am Carol Williams. I had planned to go on a trip, but it was postponed due to some reasons. Can you change my recent reservation?
user
Sure, I will help you. Let me check your reservation status in our database.
assistant
Ok, take your time.
user
Williams, sorry for inconvenience, no reservation is found on your name in our records.
assistant
That's ok. Anyways, thank you for your help.
user
You are welcome.
assistant