Hello. I am Catherine Nelson.
user
Hello, how can I aid you today?
assistant
Would it be possible to change  my reservation, which I have done with my name?
user
Sure, we can help with that.
assistant
Thank you.
user
Please wait for a moment.
assistant
Sure.
user
Thank you for waiting, there is no reservation found with the given name.
assistant
No worries, thank you for your information.
user
Thank you.
assistant