You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to cancel my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, may I know your name?

USER: I am Susan Harris.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you.