You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best serve you today?

USER: I want to cancel my recent reservation due to cancel of my event. Could you please help me?

ASSISTANT: Sure, we are glad to assist you in that. Before proceeding to cancel your reservation. May I know your name?

USER: I am Kenneth Thompson.

ASSISTANT: I am sorry to say you that there is no reservation found under your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for contacting us.