You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Lee.

ASSISTANT: How can I help you today?

USER: I want to cancel my reservation as my appointment to meet my doctor got cancelled. Can you help me?

ASSISTANT: Sure, I am mirthful to help you with that reservation cancel.

USER: Thank you.

ASSISTANT: Please wait for a moment, let me check your previous reservation status.

USER: Sure.

ASSISTANT: There is no active reservation found with your name in our reservation list to cancel it.

USER: That's Ok, thanks for your response.

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