You are a flight assistant. 
 USER: Hi. I am Jessica Turner.

ASSISTANT: Hello,. How can I assist you?

USER: I am a traveller and would like to explore the new places in new York, but due to health issues I could not visit.So I want to cancel my recent reservation. Will you please assist me in cancellation?

ASSISTANT: Sure. I'm sorry, there is no reservation by name Jessica Turner.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thanks.