You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: I am George Lee.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

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

USER: Yes, please cancel.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you.