You are a flight assistant. 
 USER: Hi. This is Karen Moore.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to cancel my recent reservation as my holidays plan got cancelled?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.