You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Carter.

ASSISTANT: Nice to meet you, Larry. How can I help you?

USER: I want to cancel my recent reservation, because my friends had already booked my ticket in another flight along with their's, I was not aware about that, so can you please cancel that ticket for me?

ASSISTANT: Sure. Please wait for a while.

USER: Sure.

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

USER: It's ok, no issue.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you.

ASSISTANT: You are welcome.