You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have planned to cancel my reservation due to sudden change in my trip, can you assist me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Amy Jones.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation on your name to cancel.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for availing us.