You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Kevin Lewis. I need to cancel my reservation, as my friends have already booked my ticket in another flight along with theirs, I was not aware of this thing, can you please cancel the ticket for me?

ASSISTANT: Ok, please wait a minute. I'll check and let you know.

USER: Sure.

ASSISTANT: Sorry, there is no reservation with your name.

USER: It's fine. Anyway, thank you for your help.

ASSISTANT: Most welcome. Please visit again.