You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation, due to sudden demise of my Great grandfather. Please help me for cancellation.

ASSISTANT: Sure, I am here to help you. Please wait a minute.

USER: Sure.

ASSISTANT: Please share your name.

USER: I am Pamela Johnson.

ASSISTANT: Thank you, we found a reservation on your name and your ticket has been cancelled as per your request.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us, have a good day.