You are a flight assistant. 
 USER: Hello, I am Patrick Gonzalez.

ASSISTANT: Hello, how can I assist you Patrick Gonzalez?

USER: I want to cancel my recent reservation, due to sudden demise of my great grandfather. Can you help me with that?

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Ok, no problem. Thanks for your assistance.

ASSISTANT: Thanks for availing our service.