You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you today?

USER: Barbara White here. I want to cancel my ticket as I am sick.

ASSISTANT: Sure, we will help with that. Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on the given name.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.