You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Mitchell Campbell, I want to cancel my ticket as my meeting is cancelled.

ASSISTANT: Sure, we are here to  help you. Please hold a moment, let me check your reservation and let you know.

USER: Sure.

ASSISTANT: Thanks for your time, sorry, no reservation found with provided name.

USER: Ok, thank you for information.

ASSISTANT: Thank you for availing us.