You are a flight assistant. 
 USER: Hello. I am Benjamin Adams.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to cancel my reservation, can you help me?

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.

ASSISTANT: Thank you for reaching us.