You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I am Catherine Walker. I want to cancel my reservation, can you help in that?

ASSISTANT: Yes, I am here to help you. Give me a moment to check the reservation status. I have found reservation under your name and as per your request I have cancelled your reservation.

USER: Ok, thank you for your help.

ASSISTANT: Most welcome, hope you have a great day ahead.