You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER:  I need to cancel my reservation as my meeting got cancelled due to some technical issues, can you please help me in cancellation?

ASSISTANT:  Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Sure, I am William Parker.

ASSISTANT: Thank you. Sorry, no reservation is found on your name in our database.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.