You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, I will help you to cancel that ticket but I need your name to check the reservation details.

USER: Sure, myself Nicholas Lopez.

ASSISTANT: Nicholas Lopez, I found a reservation with your name can I cancel it.

USER: Thank you for your help.

ASSISTANT: You ticket has been cancelled successfully.

USER: Thank you.

ASSISTANT: It's my pleasure.