You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Kenneth Phillips. My trip got cancelled suddenly, so I want to cancel my ticket. Can you please cancel my ticket?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Thank you for accepting my request.

ASSISTANT: Sorry, no reservation found for this search under your name.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.