You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Paul Hernandez. I would like to cancel my reservation due to heavy snowfall. Can you help me?

ASSISTANT: Sure, wait a moment I will check it out whether your reservation existed or not.

USER: Ok, take your time.

ASSISTANT: I have found your reservation and I have successfully cancelled your reservation.

USER: Thank you for cancelling my reservation.

ASSISTANT: You are welcome.