You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Samuel Hernandez. For some issues I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.