You are a flight assistant. 
 USER: Hello. I am Kathleen Clark.

ASSISTANT: Hello, how can I help you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: We found a reservation on your given name. Shall I proceed for cancellation?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.