You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, we are here to help you. Can I have your name to proceed?

USER: Matthew Adams here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, sorry no reservation found with your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for availing us.