You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Mitchell.

ASSISTANT: How may I serve you today?

USER: I want to cancel my recent reservation due to cancel of my event at Charlotte. Could you please help me?

ASSISTANT: Please wait for a moment, I will check your reservation and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: We are glad to inform you that there is a reservation found with your given name in our records. Shall I confirm your cancellation?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you for connecting with us.