You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: May I know your good name please?

USER: I am John Jackson.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a reservation found with your given name. Shall I proceed with the cancellation?

USER: Ok, please cancel my booking.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.