You are a flight assistant. 
 USER: Hello, my name is Christopher Hernandez.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, I am here to help you with that.

USER: Ok.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Ok, take your time.

ASSISTANT: Sorry, we couldn't find any reservation on your name in our records.

USER: It's ok, thank you for the information.

ASSISTANT: Welcome.