You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I oblige you today?

USER: I am Margaret Hernandez. Please, cancel my recent reservation as my trip got cancelled.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation found with your given details in our data.

USER: Ok, not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for information.