You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you aid me to cancel my reservation due to emergency?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: Linda Smith here.

ASSISTANT: I found your reservation and I have successfully cancelled it.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.