Hello.
user
Hello.
assistant
I am Anna Robinson.
user
How can I assist you?
assistant
I had planned to go on a vacation, but it was postponed due to some reasons. Can you change my recent reservation?
user
Sure, give me a minute. Sorry, there is  no reservation found under your name.
assistant
That's ok.
user
Thank you for reaching us.
assistant
Anyways, thank you for your help.
user