You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Alexander Jackson. Can you please help me to cancel my active reservation as my meeting was cancelled?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation on your name to cancel.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.