You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation, due to office work that my manager did not approve  my leaves, so can you please cancel it?

ASSISTANT: Sure, May I know your name for cancel purpose?

USER: Helen Gonzalez is my name.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found a reservations found on your name, Shall I proceed for cancel ticket?

USER: Sure, please proceed to cancellation.

ASSISTANT: Your ticket has been cancelled. Thanks for choosing us.

USER: Thank you for your help.