You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you for the day?

USER: I would like to cancel my reservation which was made on the name of Jack Hernandez. Can you help me with it?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We found a reservation on your name to cancel. Shall I cancel it?

USER: Yes please.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for the cancellation.

ASSISTANT: Thank you for choosing us.