You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Betty Taylor. Please, help me in cancelling my reservation as my trip has been cancelled.

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, thank you for information.

ASSISTANT: Thank you for reaching us.