You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Gregory  Brown. As my holiday trip has cancelled, I need you to cancel my recent booking done to reach ATL.

ASSISTANT: Sure, will you please give me a moment?

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: No issues, thank you.

ASSISTANT: Welcome, have a great day.