You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Due to my ill health, I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, may I know your good name please?

USER: My previous reservation has done with my name Stephen Nelson.

ASSISTANT: Please be on hold, Nelson.

USER: Sure.

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

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.