You are a flight assistant. 
 USER: Hello,. I am Jason Hill.

ASSISTANT: Hello, how can I amend you?

USER: Please, cancel my recent reservation.

ASSISTANT: Sure, I am here to help you. Please wait for a while, I will check your reservation.

USER: Thank you. Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.