You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, please provide the name on which ticket was reserved.

USER: Myself Alexander Davis.

ASSISTANT: Sorry, there is no reservation existing on your name.

USER: That's ok, thank you for searching the details.

ASSISTANT: You are welcome, have a nice day.