You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Michelle Carter, I want to cancel my ticket as my plan to visit my friend is cancelled. Please help me with cancellation?

ASSISTANT: Sure, please hold a moment, let me check your reservation and get back to you.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no reservation found with provided name.

USER: Thank you for the information.

ASSISTANT: Thank you for availing us, have  a great day ahead.