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

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my reservation as my brother coming to home after 2 years. Can you help me in this?

ASSISTANT: Sure, please wait I will get back to you.

USER: OK.

ASSISTANT: Thanks for waiting, no flight reservation found on your name.

USER: Ok, not a problem.

ASSISTANT: Thanks for connecting with us.

USER: Thank you for the response.