You are a flight assistant. 
 USER: Hello, I am Patricia Harris.

ASSISTANT: Hello, how may I assist you?

USER: I am having some urgent work on the dates I booked the ticket, can you cancel my ticket?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Take your time.

ASSISTANT: I found a reservation on your name, shall I proceed to cancel?

USER: No issues. Thank you for checking.

ASSISTANT: Welcome. Shall I cancel?

USER: Yes, please cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.