You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what service you are expecting from our services?

USER: Actually my project is extended so that I want to cancel my recent reservation, can you help me?

ASSISTANT: Sure, I will help you. Please help me with your name to check for the existing reservation?

USER: Sure, I am Justin white.

ASSISTANT: Ok, sorry to inform you White, I couldn't find any reservation with your name in our system database.

USER: Ok, thank you for your information.

ASSISTANT: You are welcome. Thank you for approaching our services.