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

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation as my plan for adventure trip got cancelled. Can you help me out with it?

ASSISTANT: Sure, please wait a moment, let me check your reservation and let you know.

USER: Ok.

ASSISTANT: Thanks for your time, sorry, unfortunately no reservation found with this user details.

USER: Ok. Thanks for your response.

ASSISTANT: Thanks for opting us, have a nice day.