Hello.
user
Hello, how could I serve you?
assistant
I am Michelle Green, want to alter my recent reservation due to some sudden changes in my plan. Please help me out with that.
user
Sure, please wait a moment.
assistant
Sure, take your time.
user
Sorry to inform you that there is no reservation found with your given name.
assistant
It's ok, thank you.
user
Thank you for approaching us.
assistant