You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my recent reservation as my plan to meet my friend has been postponed. Can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: I am Eric Garcia.

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

USER: Please cancel it.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.