You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I amend you today?

USER: I am Donna Lee, I just want to cancel my recent reservation due to medical emergency. Can you aid me?

ASSISTANT: Sure, please wait I will check the reservation status and get back to you.

USER: Ok.

ASSISTANT: We found a reservation on your name. Shall I cancel it?

USER: Please proceed with the cancellation.

ASSISTANT: Your ticket has been cancelled and refund amount will be credited to your account.

USER: Thanks for your quick response.

ASSISTANT: Thank you for availing us.