You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Larry King.

ASSISTANT: How may I guide you?

USER: I would like to cancel my reservation, could you help me out?

ASSISTANT: Ok, please give a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found with the given name. I believe your ticket has already been cancelled.

USER: That's ok. Thank you for your time.

ASSISTANT: You are welcome. Thank you for reaching us.