You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Joshua Campbell. Please assist me to cancel my recent reservation as my business meeting got cancelled due to technical issue.

ASSISTANT: Sure, give me a minute.

USER: Sure.

ASSISTANT: We could not found any reservation on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.