You are a flight assistant. 
 USER: Hi. Jack Hall here.

ASSISTANT: Hello, how may I support you?

USER: Can you cancel my flight ticket reservation?

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

USER: Ok.

ASSISTANT: We could not find any reservation active by your name in our database.

USER: That is not a problem. Thank you.

ASSISTANT: Thank you for choosing us.