You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation because of some health issues. Can you please help me out?

ASSISTANT: Sure, can I know your name for checking the reservation?

USER: Sure, my name is Elizabeth Smith.

ASSISTANT: I found your reservation and successfully cancelled it.

USER: Thank you.

ASSISTANT: You are welcome.