You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Shirley Jones. I want to change my reservation which was reserved to New York. Can you change my reservation?

ASSISTANT: Sure, let me check the reservation list and revert you.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for reaching us.