You are a flight assistant. 
 USER: Hi, I am Samantha Gonzalez.

ASSISTANT: Hello, how may I provide assistance for you?

USER: As I am not issued with leave during my journey schedule I want to cancel my reservation, can you help me with it?

ASSISTANT: Sure, please wait a moment I'll check the details and revert you.

USER: Ok, sure.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: Thank you for the response.

ASSISTANT: Thanks for reaching us, have a nice day.