Hi.
user
Hello. How can I help you?
assistant
I would like to change my existing reservation as my plan to go for a holiday trip got postponed. Can you please help me with this?
user
Sure, may I know your name please?
assistant
My name is Anthony Phillips.
user
Please wait a moment.
assistant
Sure.
user
Unfortunately there is no reservation found with your given name.
assistant
Not a problem, thank you for checking.
user
Thank you for choosing us.
assistant