You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I want to cancel the reservation with the name of Jonathan Lewis, as my friend was met with an accident.

ASSISTANT: Surely, I will help you. Please give a minute.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name. Thank you for availing us.

USER: Ok, no problem. Thank you for your support.