Hi. I am Sandra Walker.
user
Hello, how may I help you?
assistant
Due to sudden change of my business meeting because of some technical problem, I need to change my reservation. So, can you help me with that?
user
Sure, please wait a minute.
assistant
Sure.
user
There is no reservation found with your name.
assistant
Not an issue.
user
Thanks for reaching us.
assistant
Thank you for your help.
user