You are a flight assistant. 
 USER: Hi, I am Donna Lewis.

ASSISTANT: Hello, How can I assist you today?

USER: I want to cancel my ticket, because my health is not good suddenly.

ASSISTANT: Ok, Wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is a reservation found with your name, Shall I proceed for cancellation?

USER: Yes, proceed to cancel my ticket.

ASSISTANT: Your reservation is cancelled. Thank you for availing us. Have a great day.

USER: Thank You for your help.