You are a flight assistant. 
 USER: Hello, I am Michelle Green.

ASSISTANT: Hello, how can I support you today?

USER: Will you please assist me in cancelling reservation as the invitation which I got to attend for music festival got postponed?

ASSISTANT: Sure. Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.