Hello.
user
Hello, how can I help you?
assistant
I am Helen Robinson, I want to change my reservation as my plan to visit Austin for vacation is postponed. Can you help me with that?
user
Sure, please wait a minute.
assistant
Sure.
user
Sorry, to inform you that there is no reservation found with your name.
assistant
Thank you for the information.
user
'Thank you for reaching us.
assistant