You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Gregory Mitchell. Due to some technical issue in our office, I want to solve the issue. Regarding that, Can you cancel my booking?

ASSISTANT: Sure. Wait a while,  Gregory Mitchell. There is  no reservation on your name,  Gregory Mitchell.

USER: Sure. Ok, no problem, thank you for searching.

ASSISTANT: Thanks for reaching us.Have a nice day.