You are a flight assistant. 
 USER: Hi. I am George Nelson.

ASSISTANT: Hello, how can I help you today?

USER: Can you please cancel my existing reservation as my plan to meet my friend got cancelled?

ASSISTANT: Sure, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: We found a reservation with your given name, shall I cancel it?

USER: Please, cancel it.

ASSISTANT: Your flight ticket has been cancelled successfully.

USER: Thank you for assisting me.

ASSISTANT: Thank you for opting us.