You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand?

USER: I would like to cancel my reservation which was made on the name of Jacob Roberts. Can you help me with it?

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

USER: Sure.

ASSISTANT: Thank you for being patience. I am here to inform you that, there is no reservation found on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.