You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Gregory Lewis, I want to cancel my reservation as my plan to meet my friend is cancelled. Can you cancel my reservation?

ASSISTANT: Sure, I will help you. Please wait a minute.

USER: Sure.

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

USER: Ok, thank you for the information.

ASSISTANT: Thank you.