You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Can you cancel my recent reservation which I have done previously?

ASSISTANT: Sure, may I know your name to proceed?

USER: Sure, I am Barbara Williams.

ASSISTANT: I have found your reservation in my records and cancelled it as per your requests.

USER: Thank you for your help and information.

ASSISTANT: Thank you for reaching us.