You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency, my trip to New York with friends has been cancelled. So I had a request to you to cancel my existing reservation?

ASSISTANT: Sure, please help me out by providing your name.

USER: Sure, I had a recent reservation with name Janet Turner.

ASSISTANT: Unfortunately, there is no reservation found with your name.

USER: Ok, no worries at all. Thanks for your kind service.

ASSISTANT: Have a good day.