You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Paul Wilson.

ASSISTANT: Nice to meet you.

USER: I want to cancel my reservation as my meeting was got postponed, can you please help me that?

ASSISTANT: Sure, please give me a moment.

USER: Ok.

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

USER: Ok, no problem.

ASSISTANT: Welcome, have a great day.

USER: Thank you.