Hi.
user
Hello, how may I assist you today?
assistant
I have planned to go for party unfortunately the party was postponed, can you please help me to change my existing reservation?
user
Yes sure. Let me know your name to check?
assistant
Myself Anna Adams.
user
Sorry for inconvenience. There is no reservation found for this search.
assistant
Ok, fine. Thank you for searching in your database.
user
It's my pleasure.
assistant