You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best can I guide you today?

USER: Michelle Phillips here. Can you cancel my flight ticket reservation? As I have postponed my holiday trip to New York.

ASSISTANT: Sure, please share your good name.

USER: I am Michelle Phillips.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation found with the given name.

USER: Not a problem. Thank you.

ASSISTANT: Thank you.