You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Timothy Campbell, I want to cancel my reservation as my plan to visit my home is cancelled. Can you help me with cancellation?

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found by your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you.