You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Christopher Rodriguez here.

ASSISTANT: How may I render you today?

USER: Please help me out in cancelling my recent reservation.

ASSISTANT: Sure, I can help you with that. Please be on hold.

USER: Sure.

ASSISTANT: Christopher, there is no reservation found under your name to do cancellation.

USER: No problem, anyways thank you.

ASSISTANT: Thank you for choosing us.