Hello.
user
Hello, how may I help you?
assistant
I want to change my reservation as my plan to reach my home is postponed. Can you help with that?
user
Sure, please share your good name?
assistant
My name is Helen Nelson.
user
Please wait for a while.
assistant
Sure.
user
Sorry, no reservation found on your given name.
assistant
Thank you for the information.
user
Thank you for choosing us.
assistant