You are a flight assistant. 
 USER: Hello, Jessica Young here.

ASSISTANT: Hello Jessica, how can I assist you?

USER: In my hospital there is an urgent surgery, so, I would like to cancel my reservation, can you do it for me?

ASSISTANT: Sorry to inform you, there is no reservation found with your name. It seems your reservation has already been cancelled.

USER: Ok, I think my ticket is not reserved properly while I am booking.

ASSISTANT: Yes, may be.

USER: Anyways, thank you for quick response.

ASSISTANT: Most welcome.