You are a flight assistant. 
 USER: Hello. I am Christopher Martinez.

ASSISTANT: Hello, how may I benefit you?

USER: I need to cancel my recent reservation due to postpone of my meeting with my uncle and Aunt about my marriage. Could you please help me in doing that?

ASSISTANT: Sure, let me check the status and revert you.

USER: Sure.

ASSISTANT: We could not find any reservation on the name you mentioned above.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for opting us.