You are a flight assistant. 
 USER: Hello, I am Janet Davis.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my recent reservation due to cancel of my brother's daughter engagement. Can you help me?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: I found reservation with your name.

USER: Please cancel that ticket.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you, You have done a good job.

ASSISTANT: Thank you for opting us.