You are a flight assistant. 
 USER: Hi, Nancy Wilson here.

ASSISTANT: Hello, how can I assist you?

USER: Due to postponed of our meeting, I want to cancel my recent reservation, Can you please aid me?

ASSISTANT: Sure, give me a moment, I will check and get back to you.

USER: Sure.

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

USER: Ok, no problem. Thanks for your assistance.

ASSISTANT: Thanks for choosing us, have a grate day.