You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a assistance for you?

USER: As my trip got preponed I want to cancel my recent reservation.

ASSISTANT: Ok, may I know your good name please?

USER: My name is William Jones.

ASSISTANT: There is a reservation found on your name. Shall I proceed to cancel?

USER: Ok, please cancel my ticket.

ASSISTANT: Your plane ticket is cancelled William.

USER: Thank you for your assistance.

ASSISTANT: Thank you for connecting with us.