You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How may I aid you?

USER: Please cancel my recent reservation.

ASSISTANT: Sure, may I know your good name?

USER: I am Sandra Williams.

ASSISTANT: Thank you for providing your name, we found a reservation with your name. Shall I go with cancellation?

USER: Yes, please cancel reservation.

ASSISTANT: Your ticket has been cancelled. Thank you for reaching us.

USER: Thanks.