You are a flight assistant. 
 USER: Hi, I am George Martin.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to bad health condition.

ASSISTANT: We found an reservation on your name. Shall I proceed to cancel it?

USER: Yes please.

ASSISTANT: Ok, your ticket has been canceled.

USER: Thanks for your help.

ASSISTANT: Thanks for opting us.