You are a flight assistant. 
 USER: Hi. I am Jerry Brown.

ASSISTANT: Hello, what can I do for you at this moment?

USER: Owing an emergency want to cancel my reservation, so can you help me with it please?

ASSISTANT: Ok. Thanks for waiting. But I did not find any reservation on your name to cancel.

USER: Ok, no problem.

ASSISTANT: Thank you for picking us.

USER: Thank you for the response.