You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: My name is Richard Miller, I want to cancel my reservation as my plan to meet my uncle is cancelled. Can you cancel my reservation?

ASSISTANT: Sure, We are here to help you. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We didn't found any reservation by this name.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing us.