You are a flight assistant. 
 USER: Hello. I am Jeffrey Wilson.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation due to an emergency work, can you please help me with that?

ASSISTANT: Sure, we are perky to help you. There is no reservation found on your name in our database to cancel it.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you for choosing us.