You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Anthony Martin, I want to cancel my reservation as my meeting with client is cancelled. Can you help me with cancellation?

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation found with your given name in our records.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing us.