You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to cancel my recent reservation due to my exams got postponed. Can you please help me to cancel my reservation which I have done last week?

ASSISTANT: I am happy to help you, can you please tell me your name for checking your reservation details?

USER: My reservation is done under the name of Anna Wright.

ASSISTANT: Thank you, please wait for a moment.

USER: Ok, sure.

ASSISTANT: Sorry Wright, I have not found any reservation by your name in our database.

USER: Oh! it might be cancelled by my father but he have not informed me yet. Anyway thank you for the information.

ASSISTANT: Thank you very much for contacting us.

USER: Most welcome.