You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. My job is to solve your concern, may I know your request?

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

ASSISTANT: Ok, I will help. I am sorry to say there is no reservation been found on the name given to me.

USER: That's ok, thank you.

ASSISTANT: Thank you for connecting with our agency.